Home / 99,025.60-148,538.40-89,003.20

Finding the Fourth Proportional to 99,025.60, 148,538.40 and 89,003.20

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Solution

The fourth proportional to 99,025.60, 148,538.40 and 89,003.20 is: 133,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,025.60 : 148,538.40 = 89,003.20 : x
  2. Step 2: Convert to fraction form
    99,025.60/148,538.40 = 89,003.20/x
  3. Step 3: Cross multiply
    99,025.60x = 148,538.40 × 89,003.20
  4. Step 4: Simplify right side
    99,025.60x = 13,220,392,922.88
  5. Step 5: Solve for x
    x = 13,220,392,922.88/99,025.60
  6. Step 6: Final answer
    x = 133,504.80

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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.