Home / 77,019.15-115,364.70-62,256.90

Finding the Fourth Proportional to 77,019.15, 115,364.70 and 62,256.90

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Solution

The fourth proportional to 77,019.15, 115,364.70 and 62,256.90 is: 93,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,019.15 : 115,364.70 = 62,256.90 : x
  2. Step 2: Convert to fraction form
    77,019.15/115,364.70 = 62,256.90/x
  3. Step 3: Cross multiply
    77,019.15x = 115,364.70 × 62,256.90
  4. Step 4: Simplify right side
    77,019.15x = 7,182,248,591.43
  5. Step 5: Solve for x
    x = 7,182,248,591.43/77,019.15
  6. Step 6: Final answer
    x = 93,252.76

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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.