Home / 178,638.39-267,609.30-99,514.35

Finding the Fourth Proportional to 178,638.39, 267,609.30 and 99,514.35

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Solution

The fourth proportional to 178,638.39, 267,609.30 and 99,514.35 is: 149,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,638.39 : 267,609.30 = 99,514.35 : x
  2. Step 2: Convert to fraction form
    178,638.39/267,609.30 = 99,514.35/x
  3. Step 3: Cross multiply
    178,638.39x = 267,609.30 × 99,514.35
  4. Step 4: Simplify right side
    178,638.39x = 26,630,965,543.46
  5. Step 5: Solve for x
    x = 26,630,965,543.46/178,638.39
  6. Step 6: Final answer
    x = 149,077.51

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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.