Home / 99,037.20-148,512.60-39,853.20

Finding the Fourth Proportional to 99,037.20, 148,512.60 and 39,853.20

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Solution

The fourth proportional to 99,037.20, 148,512.60 and 39,853.20 is: 59,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,037.20 : 148,512.60 = 39,853.20 : x
  2. Step 2: Convert to fraction form
    99,037.20/148,512.60 = 39,853.20/x
  3. Step 3: Cross multiply
    99,037.20x = 148,512.60 × 39,853.20
  4. Step 4: Simplify right side
    99,037.20x = 5,918,702,350.32
  5. Step 5: Solve for x
    x = 5,918,702,350.32/99,037.20
  6. Step 6: Final answer
    x = 59,762.42

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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.