Home / 115,035.60-158,748-67,279.92

Finding the Fourth Proportional to 115,035.60, 158,748 and 67,279.92

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Solution

The fourth proportional to 115,035.60, 158,748 and 67,279.92 is: 92,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,035.60 : 158,748 = 67,279.92 : x
  2. Step 2: Convert to fraction form
    115,035.60/158,748 = 67,279.92/x
  3. Step 3: Cross multiply
    115,035.60x = 158,748 × 67,279.92
  4. Step 4: Simplify right side
    115,035.60x = 10,680,552,740.16
  5. Step 5: Solve for x
    x = 10,680,552,740.16/115,035.60
  6. Step 6: Final answer
    x = 92,845.63

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1.5x scale

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.