Home / 100,320.90-150,521.85-44,171.70

Finding the Fourth Proportional to 100,320.90, 150,521.85 and 44,171.70

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Solution

The fourth proportional to 100,320.90, 150,521.85 and 44,171.70 is: 66,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,320.90 : 150,521.85 = 44,171.70 : x
  2. Step 2: Convert to fraction form
    100,320.90/150,521.85 = 44,171.70/x
  3. Step 3: Cross multiply
    100,320.90x = 150,521.85 × 44,171.70
  4. Step 4: Simplify right side
    100,320.90x = 6,648,806,001.65
  5. Step 5: Solve for x
    x = 6,648,806,001.65/100,320.90
  6. Step 6: Final answer
    x = 66,275.38

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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.