Home / 156,984.55-235,309.14-72,646.54

Finding the Fourth Proportional to 156,984.55, 235,309.14 and 72,646.54

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Solution

The fourth proportional to 156,984.55, 235,309.14 and 72,646.54 is: 108,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.55 : 235,309.14 = 72,646.54 : x
  2. Step 2: Convert to fraction form
    156,984.55/235,309.14 = 72,646.54/x
  3. Step 3: Cross multiply
    156,984.55x = 235,309.14 × 72,646.54
  4. Step 4: Simplify right side
    156,984.55x = 17,094,394,851.38
  5. Step 5: Solve for x
    x = 17,094,394,851.38/156,984.55
  6. Step 6: Final answer
    x = 108,892.21

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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.