Home / 158,336.83-218,450.62-90,304.91

Finding the Fourth Proportional to 158,336.83, 218,450.62 and 90,304.91

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Solution

The fourth proportional to 158,336.83, 218,450.62 and 90,304.91 is: 124,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,336.83 : 218,450.62 = 90,304.91 : x
  2. Step 2: Convert to fraction form
    158,336.83/218,450.62 = 90,304.91/x
  3. Step 3: Cross multiply
    158,336.83x = 218,450.62 × 90,304.91
  4. Step 4: Simplify right side
    158,336.83x = 19,727,163,578.54
  5. Step 5: Solve for x
    x = 19,727,163,578.54/158,336.83
  6. Step 6: Final answer
    x = 124,589.86

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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.