Home / 166,660.12-249,991.80-42,001.12

Finding the Fourth Proportional to 166,660.12, 249,991.80 and 42,001.12

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Solution

The fourth proportional to 166,660.12, 249,991.80 and 42,001.12 is: 63,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,660.12 : 249,991.80 = 42,001.12 : x
  2. Step 2: Convert to fraction form
    166,660.12/249,991.80 = 42,001.12/x
  3. Step 3: Cross multiply
    166,660.12x = 249,991.80 × 42,001.12
  4. Step 4: Simplify right side
    166,660.12x = 10,499,935,590.82
  5. Step 5: Solve for x
    x = 10,499,935,590.82/166,660.12
  6. Step 6: Final answer
    x = 63,002.09

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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.