Home / 137,680.59-206,533.19-42,911.58

Finding the Fourth Proportional to 137,680.59, 206,533.19 and 42,911.58

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Solution

The fourth proportional to 137,680.59, 206,533.19 and 42,911.58 is: 64,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,680.59 : 206,533.19 = 42,911.58 : x
  2. Step 2: Convert to fraction form
    137,680.59/206,533.19 = 42,911.58/x
  3. Step 3: Cross multiply
    137,680.59x = 206,533.19 × 42,911.58
  4. Step 4: Simplify right side
    137,680.59x = 8,862,666,387.12
  5. Step 5: Solve for x
    x = 8,862,666,387.12/137,680.59
  6. Step 6: Final answer
    x = 64,371.21

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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.