Home / 147,148.18-220,853.49-68,306.83

Finding the Fourth Proportional to 147,148.18, 220,853.49 and 68,306.83

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Solution

The fourth proportional to 147,148.18, 220,853.49 and 68,306.83 is: 102,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,148.18 : 220,853.49 = 68,306.83 : x
  2. Step 2: Convert to fraction form
    147,148.18/220,853.49 = 68,306.83/x
  3. Step 3: Cross multiply
    147,148.18x = 220,853.49 × 68,306.83
  4. Step 4: Simplify right side
    147,148.18x = 15,085,800,988.05
  5. Step 5: Solve for x
    x = 15,085,800,988.05/147,148.18
  6. Step 6: Final answer
    x = 102,521.15

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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.