Home / 113,423.40-170,160.92-34,543.78

Finding the Fourth Proportional to 113,423.40, 170,160.92 and 34,543.78

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Solution

The fourth proportional to 113,423.40, 170,160.92 and 34,543.78 is: 51,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,423.40 : 170,160.92 = 34,543.78 : x
  2. Step 2: Convert to fraction form
    113,423.40/170,160.92 = 34,543.78/x
  3. Step 3: Cross multiply
    113,423.40x = 170,160.92 × 34,543.78
  4. Step 4: Simplify right side
    113,423.40x = 5,878,001,385.08
  5. Step 5: Solve for x
    x = 5,878,001,385.08/113,423.40
  6. Step 6: Final answer
    x = 51,823.53

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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.