Home / 98,521.20-147,781.80-27,443.70

Finding the Fourth Proportional to 98,521.20, 147,781.80 and 27,443.70

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Solution

The fourth proportional to 98,521.20, 147,781.80 and 27,443.70 is: 41,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.20 : 147,781.80 = 27,443.70 : x
  2. Step 2: Convert to fraction form
    98,521.20/147,781.80 = 27,443.70/x
  3. Step 3: Cross multiply
    98,521.20x = 147,781.80 × 27,443.70
  4. Step 4: Simplify right side
    98,521.20x = 4,055,679,384.66
  5. Step 5: Solve for x
    x = 4,055,679,384.66/98,521.20
  6. Step 6: Final answer
    x = 41,165.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.