Home / 123,514.43-170,450.21-66,925.81

Finding the Fourth Proportional to 123,514.43, 170,450.21 and 66,925.81

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Solution

The fourth proportional to 123,514.43, 170,450.21 and 66,925.81 is: 92,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.43 : 170,450.21 = 66,925.81 : x
  2. Step 2: Convert to fraction form
    123,514.43/170,450.21 = 66,925.81/x
  3. Step 3: Cross multiply
    123,514.43x = 170,450.21 × 66,925.81
  4. Step 4: Simplify right side
    123,514.43x = 11,407,517,182.04
  5. Step 5: Solve for x
    x = 11,407,517,182.04/123,514.43
  6. Step 6: Final answer
    x = 92,357.77

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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.