Home / 99,278.20-148,902.90-29,150.20

Finding the Fourth Proportional to 99,278.20, 148,902.90 and 29,150.20

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Solution

The fourth proportional to 99,278.20, 148,902.90 and 29,150.20 is: 43,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.20 : 148,902.90 = 29,150.20 : x
  2. Step 2: Convert to fraction form
    99,278.20/148,902.90 = 29,150.20/x
  3. Step 3: Cross multiply
    99,278.20x = 148,902.90 × 29,150.20
  4. Step 4: Simplify right side
    99,278.20x = 4,340,549,315.58
  5. Step 5: Solve for x
    x = 4,340,549,315.58/99,278.20
  6. Step 6: Final answer
    x = 43,721.07

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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.