Home / 112,167.27-154,711.49-71,892.45

Finding the Fourth Proportional to 112,167.27, 154,711.49 and 71,892.45

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Solution

The fourth proportional to 112,167.27, 154,711.49 and 71,892.45 is: 99,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,167.27 : 154,711.49 = 71,892.45 : x
  2. Step 2: Convert to fraction form
    112,167.27/154,711.49 = 71,892.45/x
  3. Step 3: Cross multiply
    112,167.27x = 154,711.49 × 71,892.45
  4. Step 4: Simplify right side
    112,167.27x = 11,122,587,699.79
  5. Step 5: Solve for x
    x = 11,122,587,699.79/112,167.27
  6. Step 6: Final answer
    x = 99,160.72

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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.