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Finding the Fourth Proportional to 94,500.40, 141,750.60 and 86,335.60

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Solution

The fourth proportional to 94,500.40, 141,750.60 and 86,335.60 is: 129,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,500.40 : 141,750.60 = 86,335.60 : x
  2. Step 2: Convert to fraction form
    94,500.40/141,750.60 = 86,335.60/x
  3. Step 3: Cross multiply
    94,500.40x = 141,750.60 × 86,335.60
  4. Step 4: Simplify right side
    94,500.40x = 12,238,123,101.36
  5. Step 5: Solve for x
    x = 12,238,123,101.36/94,500.40
  6. Step 6: Final answer
    x = 129,503.40

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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.