Home / 112,753.15-169,143.59-36,849.87

Finding the Fourth Proportional to 112,753.15, 169,143.59 and 36,849.87

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Solution

The fourth proportional to 112,753.15, 169,143.59 and 36,849.87 is: 55,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,753.15 : 169,143.59 = 36,849.87 : x
  2. Step 2: Convert to fraction form
    112,753.15/169,143.59 = 36,849.87/x
  3. Step 3: Cross multiply
    112,753.15x = 169,143.59 × 36,849.87
  4. Step 4: Simplify right side
    112,753.15x = 6,232,919,394.96
  5. Step 5: Solve for x
    x = 6,232,919,394.96/112,753.15
  6. Step 6: Final answer
    x = 55,279.34

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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.