Home / 77,294.20-115,248.93-75,894.52

Finding the Fourth Proportional to 77,294.20, 115,248.93 and 75,894.52

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Solution

The fourth proportional to 77,294.20, 115,248.93 and 75,894.52 is: 113,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294.20 : 115,248.93 = 75,894.52 : x
  2. Step 2: Convert to fraction form
    77,294.20/115,248.93 = 75,894.52/x
  3. Step 3: Cross multiply
    77,294.20x = 115,248.93 × 75,894.52
  4. Step 4: Simplify right side
    77,294.20x = 8,746,762,222.86
  5. Step 5: Solve for x
    x = 8,746,762,222.86/77,294.20
  6. Step 6: Final answer
    x = 113,161.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.