Home / 112,444.20-168,731.10-42,373.80

Finding the Fourth Proportional to 112,444.20, 168,731.10 and 42,373.80

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Solution

The fourth proportional to 112,444.20, 168,731.10 and 42,373.80 is: 63,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,444.20 : 168,731.10 = 42,373.80 : x
  2. Step 2: Convert to fraction form
    112,444.20/168,731.10 = 42,373.80/x
  3. Step 3: Cross multiply
    112,444.20x = 168,731.10 × 42,373.80
  4. Step 4: Simplify right side
    112,444.20x = 7,149,777,885.18
  5. Step 5: Solve for x
    x = 7,149,777,885.18/112,444.20
  6. Step 6: Final answer
    x = 63,585.12

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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.