Home / 158,292.91-218,444.19-86,672.92

Finding the Fourth Proportional to 158,292.91, 218,444.19 and 86,672.92

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Solution

The fourth proportional to 158,292.91, 218,444.19 and 86,672.92 is: 119,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,292.91 : 218,444.19 = 86,672.92 : x
  2. Step 2: Convert to fraction form
    158,292.91/218,444.19 = 86,672.92/x
  3. Step 3: Cross multiply
    158,292.91x = 218,444.19 × 86,672.92
  4. Step 4: Simplify right side
    158,292.91x = 18,933,195,804.33
  5. Step 5: Solve for x
    x = 18,933,195,804.33/158,292.91
  6. Step 6: Final answer
    x = 119,608.62

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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.