Home / 137,221.29-205,803.14-38,702.25

Finding the Fourth Proportional to 137,221.29, 205,803.14 and 38,702.25

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Solution

The fourth proportional to 137,221.29, 205,803.14 and 38,702.25 is: 58,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,221.29 : 205,803.14 = 38,702.25 : x
  2. Step 2: Convert to fraction form
    137,221.29/205,803.14 = 38,702.25/x
  3. Step 3: Cross multiply
    137,221.29x = 205,803.14 × 38,702.25
  4. Step 4: Simplify right side
    137,221.29x = 7,965,044,381.55
  5. Step 5: Solve for x
    x = 7,965,044,381.55/137,221.29
  6. Step 6: Final answer
    x = 58,045.25

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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.