Home / 92,087.40-138,131.10-60,915.36

Finding the Fourth Proportional to 92,087.40, 138,131.10 and 60,915.36

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Solution

The fourth proportional to 92,087.40, 138,131.10 and 60,915.36 is: 91,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.40 : 138,131.10 = 60,915.36 : x
  2. Step 2: Convert to fraction form
    92,087.40/138,131.10 = 60,915.36/x
  3. Step 3: Cross multiply
    92,087.40x = 138,131.10 × 60,915.36
  4. Step 4: Simplify right side
    92,087.40x = 8,414,305,683.70
  5. Step 5: Solve for x
    x = 8,414,305,683.70/92,087.40
  6. Step 6: Final answer
    x = 91,373.04

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1.5x scale

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.