Home / 78,140.13-107,826.98-44,151.57

Finding the Fourth Proportional to 78,140.13, 107,826.98 and 44,151.57

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Solution

The fourth proportional to 78,140.13, 107,826.98 and 44,151.57 is: 60,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,140.13 : 107,826.98 = 44,151.57 : x
  2. Step 2: Convert to fraction form
    78,140.13/107,826.98 = 44,151.57/x
  3. Step 3: Cross multiply
    78,140.13x = 107,826.98 × 44,151.57
  4. Step 4: Simplify right side
    78,140.13x = 4,760,730,234.60
  5. Step 5: Solve for x
    x = 4,760,730,234.60/78,140.13
  6. Step 6: Final answer
    x = 60,925.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.