Home / 94,711.14-142,090.20-28,151.15

Finding the Fourth Proportional to 94,711.14, 142,090.20 and 28,151.15

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Solution

The fourth proportional to 94,711.14, 142,090.20 and 28,151.15 is: 42,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,711.14 : 142,090.20 = 28,151.15 : x
  2. Step 2: Convert to fraction form
    94,711.14/142,090.20 = 28,151.15/x
  3. Step 3: Cross multiply
    94,711.14x = 142,090.20 × 28,151.15
  4. Step 4: Simplify right side
    94,711.14x = 4,000,001,823.28
  5. Step 5: Solve for x
    x = 4,000,001,823.28/94,711.14
  6. Step 6: Final answer
    x = 42,233.70

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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.