Home / 89,746.60-134,619.90-88,580.20

Finding the Fourth Proportional to 89,746.60, 134,619.90 and 88,580.20

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Solution

The fourth proportional to 89,746.60, 134,619.90 and 88,580.20 is: 132,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,746.60 : 134,619.90 = 88,580.20 : x
  2. Step 2: Convert to fraction form
    89,746.60/134,619.90 = 88,580.20/x
  3. Step 3: Cross multiply
    89,746.60x = 134,619.90 × 88,580.20
  4. Step 4: Simplify right side
    89,746.60x = 11,924,657,665.98
  5. Step 5: Solve for x
    x = 11,924,657,665.98/89,746.60
  6. Step 6: Final answer
    x = 132,870.30

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Similar ratio
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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.