Home / 148,330.60-223,014.30-145,220.20

Finding the Fourth Proportional to 148,330.60, 223,014.30 and 145,220.20

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Solution

The fourth proportional to 148,330.60, 223,014.30 and 145,220.20 is: 218,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,330.60 : 223,014.30 = 145,220.20 : x
  2. Step 2: Convert to fraction form
    148,330.60/223,014.30 = 145,220.20/x
  3. Step 3: Cross multiply
    148,330.60x = 223,014.30 × 145,220.20
  4. Step 4: Simplify right side
    148,330.60x = 32,386,181,248.86
  5. Step 5: Solve for x
    x = 32,386,181,248.86/148,330.60
  6. Step 6: Final answer
    x = 218,337.83

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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.