Home / 95,502.81-143,205-42,867.18

Finding the Fourth Proportional to 95,502.81, 143,205 and 42,867.18

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Solution

The fourth proportional to 95,502.81, 143,205 and 42,867.18 is: 64,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,502.81 : 143,205 = 42,867.18 : x
  2. Step 2: Convert to fraction form
    95,502.81/143,205 = 42,867.18/x
  3. Step 3: Cross multiply
    95,502.81x = 143,205 × 42,867.18
  4. Step 4: Simplify right side
    95,502.81x = 6,138,794,511.90
  5. Step 5: Solve for x
    x = 6,138,794,511.90/95,502.81
  6. Step 6: Final answer
    x = 64,278.68

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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.