Home / 166,316.70-249,475.05-82,117.20

Finding the Fourth Proportional to 166,316.70, 249,475.05 and 82,117.20

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Solution

The fourth proportional to 166,316.70, 249,475.05 and 82,117.20 is: 123,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.70 : 249,475.05 = 82,117.20 : x
  2. Step 2: Convert to fraction form
    166,316.70/249,475.05 = 82,117.20/x
  3. Step 3: Cross multiply
    166,316.70x = 249,475.05 × 82,117.20
  4. Step 4: Simplify right side
    166,316.70x = 20,486,192,575.86
  5. Step 5: Solve for x
    x = 20,486,192,575.86/166,316.70
  6. Step 6: Final answer
    x = 123,175.80

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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.