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Finding the Fourth Proportional to 78,332.30, 117,503.00 and 22,167.71

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Solution

The fourth proportional to 78,332.30, 117,503.00 and 22,167.71 is: 33,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.30 : 117,503.00 = 22,167.71 : x
  2. Step 2: Convert to fraction form
    78,332.30/117,503.00 = 22,167.71/x
  3. Step 3: Cross multiply
    78,332.30x = 117,503.00 × 22,167.71
  4. Step 4: Simplify right side
    78,332.30x = 2,604,772,378.23
  5. Step 5: Solve for x
    x = 2,604,772,378.23/78,332.30
  6. Step 6: Final answer
    x = 33,252.85

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1.5x scale

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.