Home / 137,395.12-206,122.07-42,623.25

Finding the Fourth Proportional to 137,395.12, 206,122.07 and 42,623.25

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Solution

The fourth proportional to 137,395.12, 206,122.07 and 42,623.25 is: 63,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,395.12 : 206,122.07 = 42,623.25 : x
  2. Step 2: Convert to fraction form
    137,395.12/206,122.07 = 42,623.25/x
  3. Step 3: Cross multiply
    137,395.12x = 206,122.07 × 42,623.25
  4. Step 4: Simplify right side
    137,395.12x = 8,785,591,489.52
  5. Step 5: Solve for x
    x = 8,785,591,489.52/137,395.12
  6. Step 6: Final answer
    x = 63,943.98

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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.