Home / 77,178.61-115,766.70-24,587.74

Finding the Fourth Proportional to 77,178.61, 115,766.70 and 24,587.74

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Solution

The fourth proportional to 77,178.61, 115,766.70 and 24,587.74 is: 36,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,178.61 : 115,766.70 = 24,587.74 : x
  2. Step 2: Convert to fraction form
    77,178.61/115,766.70 = 24,587.74/x
  3. Step 3: Cross multiply
    77,178.61x = 115,766.70 × 24,587.74
  4. Step 4: Simplify right side
    77,178.61x = 2,846,441,520.26
  5. Step 5: Solve for x
    x = 2,846,441,520.26/77,178.61
  6. Step 6: Final answer
    x = 36,881.22

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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.