Home / 125,538.95-173,243.15-68,177.87

Finding the Fourth Proportional to 125,538.95, 173,243.15 and 68,177.87

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Solution

The fourth proportional to 125,538.95, 173,243.15 and 68,177.87 is: 94,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.95 : 173,243.15 = 68,177.87 : x
  2. Step 2: Convert to fraction form
    125,538.95/173,243.15 = 68,177.87/x
  3. Step 3: Cross multiply
    125,538.95x = 173,243.15 × 68,177.87
  4. Step 4: Simplify right side
    125,538.95x = 11,811,348,959.09
  5. Step 5: Solve for x
    x = 11,811,348,959.09/125,538.95
  6. Step 6: Final answer
    x = 94,085.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.