Home / 102,517.02-141,470.28-60,103.80

Finding the Fourth Proportional to 102,517.02, 141,470.28 and 60,103.80

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Solution

The fourth proportional to 102,517.02, 141,470.28 and 60,103.80 is: 82,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,517.02 : 141,470.28 = 60,103.80 : x
  2. Step 2: Convert to fraction form
    102,517.02/141,470.28 = 60,103.80/x
  3. Step 3: Cross multiply
    102,517.02x = 141,470.28 × 60,103.80
  4. Step 4: Simplify right side
    102,517.02x = 8,502,901,415.06
  5. Step 5: Solve for x
    x = 8,502,901,415.06/102,517.02
  6. Step 6: Final answer
    x = 82,941.36

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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.