Home / 137,403.02-206,133.92-42,631.16

Finding the Fourth Proportional to 137,403.02, 206,133.92 and 42,631.16

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Solution

The fourth proportional to 137,403.02, 206,133.92 and 42,631.16 is: 63,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,403.02 : 206,133.92 = 42,631.16 : x
  2. Step 2: Convert to fraction form
    137,403.02/206,133.92 = 42,631.16/x
  3. Step 3: Cross multiply
    137,403.02x = 206,133.92 × 42,631.16
  4. Step 4: Simplify right side
    137,403.02x = 8,787,726,881.12
  5. Step 5: Solve for x
    x = 8,787,726,881.12/137,403.02
  6. Step 6: Final answer
    x = 63,955.85

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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.