Home / 351,432.19-527,143.55-85,195

Finding the Fourth Proportional to 351,432.19, 527,143.55 and 85,195

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Solution

The fourth proportional to 351,432.19, 527,143.55 and 85,195 is: 127,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,432.19 : 527,143.55 = 85,195 : x
  2. Step 2: Convert to fraction form
    351,432.19/527,143.55 = 85,195/x
  3. Step 3: Cross multiply
    351,432.19x = 527,143.55 × 85,195
  4. Step 4: Simplify right side
    351,432.19x = 44,909,994,742.25
  5. Step 5: Solve for x
    x = 44,909,994,742.25/351,432.19
  6. Step 6: Final answer
    x = 127,791.35

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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.