Home / 123,442.69-170,350.92-66,854.07

Finding the Fourth Proportional to 123,442.69, 170,350.92 and 66,854.07

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Solution

The fourth proportional to 123,442.69, 170,350.92 and 66,854.07 is: 92,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.69 : 170,350.92 = 66,854.07 : x
  2. Step 2: Convert to fraction form
    123,442.69/170,350.92 = 66,854.07/x
  3. Step 3: Cross multiply
    123,442.69x = 170,350.92 × 66,854.07
  4. Step 4: Simplify right side
    123,442.69x = 11,388,651,478.49
  5. Step 5: Solve for x
    x = 11,388,651,478.49/123,442.69
  6. Step 6: Final answer
    x = 92,258.61

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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.