Home / 106,142.08-146,479.92-58,399.12

Finding the Fourth Proportional to 106,142.08, 146,479.92 and 58,399.12

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Solution

The fourth proportional to 106,142.08, 146,479.92 and 58,399.12 is: 80,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,142.08 : 146,479.92 = 58,399.12 : x
  2. Step 2: Convert to fraction form
    106,142.08/146,479.92 = 58,399.12/x
  3. Step 3: Cross multiply
    106,142.08x = 146,479.92 × 58,399.12
  4. Step 4: Simplify right side
    106,142.08x = 8,554,298,425.67
  5. Step 5: Solve for x
    x = 8,554,298,425.67/106,142.08
  6. Step 6: Final answer
    x = 80,592.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.