Home / 166,660.13-249,990.20-42,001.13

Finding the Fourth Proportional to 166,660.13, 249,990.20 and 42,001.13

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Solution

The fourth proportional to 166,660.13, 249,990.20 and 42,001.13 is: 63,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,660.13 : 249,990.20 = 42,001.13 : x
  2. Step 2: Convert to fraction form
    166,660.13/249,990.20 = 42,001.13/x
  3. Step 3: Cross multiply
    166,660.13x = 249,990.20 × 42,001.13
  4. Step 4: Simplify right side
    166,660.13x = 10,499,869,428.97
  5. Step 5: Solve for x
    x = 10,499,869,428.97/166,660.13
  6. Step 6: Final answer
    x = 63,001.69

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.