Home / 84,141.60-126,175.47-31,514.18

Finding the Fourth Proportional to 84,141.60, 126,175.47 and 31,514.18

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Solution

The fourth proportional to 84,141.60, 126,175.47 and 31,514.18 is: 47,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.60 : 126,175.47 = 31,514.18 : x
  2. Step 2: Convert to fraction form
    84,141.60/126,175.47 = 31,514.18/x
  3. Step 3: Cross multiply
    84,141.60x = 126,175.47 × 31,514.18
  4. Step 4: Simplify right side
    84,141.60x = 3,976,315,842.29
  5. Step 5: Solve for x
    x = 3,976,315,842.29/84,141.60
  6. Step 6: Final answer
    x = 47,257.43

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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.