Home / 134,897.30-202,402.65-72,494.90

Finding the Fourth Proportional to 134,897.30, 202,402.65 and 72,494.90

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Solution

The fourth proportional to 134,897.30, 202,402.65 and 72,494.90 is: 108,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.30 : 202,402.65 = 72,494.90 : x
  2. Step 2: Convert to fraction form
    134,897.30/202,402.65 = 72,494.90/x
  3. Step 3: Cross multiply
    134,897.30x = 202,402.65 × 72,494.90
  4. Step 4: Simplify right side
    134,897.30x = 14,673,159,871.49
  5. Step 5: Solve for x
    x = 14,673,159,871.49/134,897.30
  6. Step 6: Final answer
    x = 108,772.82

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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.