Home / 89,025.60-133,538.40-88,411.20

Finding the Fourth Proportional to 89,025.60, 133,538.40 and 88,411.20

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Solution

The fourth proportional to 89,025.60, 133,538.40 and 88,411.20 is: 132,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,025.60 : 133,538.40 = 88,411.20 : x
  2. Step 2: Convert to fraction form
    89,025.60/133,538.40 = 88,411.20/x
  3. Step 3: Cross multiply
    89,025.60x = 133,538.40 × 88,411.20
  4. Step 4: Simplify right side
    89,025.60x = 11,806,290,190.08
  5. Step 5: Solve for x
    x = 11,806,290,190.08/89,025.60
  6. Step 6: Final answer
    x = 132,616.80

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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.