Home / 123,867.76-170,938.41-67,279.16

Finding the Fourth Proportional to 123,867.76, 170,938.41 and 67,279.16

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Solution

The fourth proportional to 123,867.76, 170,938.41 and 67,279.16 is: 92,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867.76 : 170,938.41 = 67,279.16 : x
  2. Step 2: Convert to fraction form
    123,867.76/170,938.41 = 67,279.16/x
  3. Step 3: Cross multiply
    123,867.76x = 170,938.41 × 67,279.16
  4. Step 4: Simplify right side
    123,867.76x = 11,500,592,636.54
  5. Step 5: Solve for x
    x = 11,500,592,636.54/123,867.76
  6. Step 6: Final answer
    x = 92,845.73

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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.