Home / 94,415.76-141,683.40-85,549.17

Finding the Fourth Proportional to 94,415.76, 141,683.40 and 85,549.17

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Solution

The fourth proportional to 94,415.76, 141,683.40 and 85,549.17 is: 128,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,415.76 : 141,683.40 = 85,549.17 : x
  2. Step 2: Convert to fraction form
    94,415.76/141,683.40 = 85,549.17/x
  3. Step 3: Cross multiply
    94,415.76x = 141,683.40 × 85,549.17
  4. Step 4: Simplify right side
    94,415.76x = 12,120,897,272.78
  5. Step 5: Solve for x
    x = 12,120,897,272.78/94,415.76
  6. Step 6: Final answer
    x = 128,377.90

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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.