Home / 99,008.20-148,512.30-36,670.60

Finding the Fourth Proportional to 99,008.20, 148,512.30 and 36,670.60

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Solution

The fourth proportional to 99,008.20, 148,512.30 and 36,670.60 is: 55,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,008.20 : 148,512.30 = 36,670.60 : x
  2. Step 2: Convert to fraction form
    99,008.20/148,512.30 = 36,670.60/x
  3. Step 3: Cross multiply
    99,008.20x = 148,512.30 × 36,670.60
  4. Step 4: Simplify right side
    99,008.20x = 5,446,035,148.38
  5. Step 5: Solve for x
    x = 5,446,035,148.38/99,008.20
  6. Step 6: Final answer
    x = 55,005.90

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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.