Home / 137,602.13-206,432.82-42,830.30

Finding the Fourth Proportional to 137,602.13, 206,432.82 and 42,830.30

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Solution

The fourth proportional to 137,602.13, 206,432.82 and 42,830.30 is: 64,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,602.13 : 206,432.82 = 42,830.30 : x
  2. Step 2: Convert to fraction form
    137,602.13/206,432.82 = 42,830.30/x
  3. Step 3: Cross multiply
    137,602.13x = 206,432.82 × 42,830.30
  4. Step 4: Simplify right side
    137,602.13x = 8,841,580,126.53
  5. Step 5: Solve for x
    x = 8,841,580,126.53/137,602.13
  6. Step 6: Final answer
    x = 64,254.68

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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.