Home / 99,073.08-148,609.62-42,867.18

Finding the Fourth Proportional to 99,073.08, 148,609.62 and 42,867.18

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Solution

The fourth proportional to 99,073.08, 148,609.62 and 42,867.18 is: 64,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073.08 : 148,609.62 = 42,867.18 : x
  2. Step 2: Convert to fraction form
    99,073.08/148,609.62 = 42,867.18/x
  3. Step 3: Cross multiply
    99,073.08x = 148,609.62 × 42,867.18
  4. Step 4: Simplify right side
    99,073.08x = 6,370,475,330.27
  5. Step 5: Solve for x
    x = 6,370,475,330.27/99,073.08
  6. Step 6: Final answer
    x = 64,300.77

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Similar ratio
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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.