Home / 162,415.20-243,456.72-92,146.08

Finding the Fourth Proportional to 162,415.20, 243,456.72 and 92,146.08

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Solution

The fourth proportional to 162,415.20, 243,456.72 and 92,146.08 is: 138,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415.20 : 243,456.72 = 92,146.08 : x
  2. Step 2: Convert to fraction form
    162,415.20/243,456.72 = 92,146.08/x
  3. Step 3: Cross multiply
    162,415.20x = 243,456.72 × 92,146.08
  4. Step 4: Simplify right side
    162,415.20x = 22,433,582,397.66
  5. Step 5: Solve for x
    x = 22,433,582,397.66/162,415.20
  6. Step 6: Final answer
    x = 138,124.89

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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.