Home / 158,377.30-218,564.20-90,392.92

Finding the Fourth Proportional to 158,377.30, 218,564.20 and 90,392.92

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Solution

The fourth proportional to 158,377.30, 218,564.20 and 90,392.92 is: 124,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,377.30 : 218,564.20 = 90,392.92 : x
  2. Step 2: Convert to fraction form
    158,377.30/218,564.20 = 90,392.92/x
  3. Step 3: Cross multiply
    158,377.30x = 218,564.20 × 90,392.92
  4. Step 4: Simplify right side
    158,377.30x = 19,756,656,245.46
  5. Step 5: Solve for x
    x = 19,756,656,245.46/158,377.30
  6. Step 6: Final answer
    x = 124,744.24

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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.