Home / 99,030.60-148,545.90-88,144.20

Finding the Fourth Proportional to 99,030.60, 148,545.90 and 88,144.20

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Solution

The fourth proportional to 99,030.60, 148,545.90 and 88,144.20 is: 132,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.60 : 148,545.90 = 88,144.20 : x
  2. Step 2: Convert to fraction form
    99,030.60/148,545.90 = 88,144.20/x
  3. Step 3: Cross multiply
    99,030.60x = 148,545.90 × 88,144.20
  4. Step 4: Simplify right side
    99,030.60x = 13,093,459,518.78
  5. Step 5: Solve for x
    x = 13,093,459,518.78/99,030.60
  6. Step 6: Final answer
    x = 132,216.30

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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.