Home / 123,442.68-170,350.74-66,854.28

Finding the Fourth Proportional to 123,442.68, 170,350.74 and 66,854.28

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Solution

The fourth proportional to 123,442.68, 170,350.74 and 66,854.28 is: 92,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.68 : 170,350.74 = 66,854.28 : x
  2. Step 2: Convert to fraction form
    123,442.68/170,350.74 = 66,854.28/x
  3. Step 3: Cross multiply
    123,442.68x = 170,350.74 × 66,854.28
  4. Step 4: Simplify right side
    123,442.68x = 11,388,676,070.17
  5. Step 5: Solve for x
    x = 11,388,676,070.17/123,442.68
  6. Step 6: Final answer
    x = 92,258.82

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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.