Home / 229,901.54-344,753.90-72,142.30

Finding the Fourth Proportional to 229,901.54, 344,753.90 and 72,142.30

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Solution

The fourth proportional to 229,901.54, 344,753.90 and 72,142.30 is: 108,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,901.54 : 344,753.90 = 72,142.30 : x
  2. Step 2: Convert to fraction form
    229,901.54/344,753.90 = 72,142.30/x
  3. Step 3: Cross multiply
    229,901.54x = 344,753.90 × 72,142.30
  4. Step 4: Simplify right side
    229,901.54x = 24,871,337,478.59
  5. Step 5: Solve for x
    x = 24,871,337,478.59/229,901.54
  6. Step 6: Final answer
    x = 108,182.56

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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.