Home / 342,531.18-513,845.98-105,892.31

Finding the Fourth Proportional to 342,531.18, 513,845.98 and 105,892.31

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Solution

The fourth proportional to 342,531.18, 513,845.98 and 105,892.31 is: 158,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,531.18 : 513,845.98 = 105,892.31 : x
  2. Step 2: Convert to fraction form
    342,531.18/513,845.98 = 105,892.31/x
  3. Step 3: Cross multiply
    342,531.18x = 513,845.98 × 105,892.31
  4. Step 4: Simplify right side
    342,531.18x = 54,412,338,826.30
  5. Step 5: Solve for x
    x = 54,412,338,826.30/342,531.18
  6. Step 6: Final answer
    x = 158,853.68

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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.