Home / 144,081.96-216,122.99-38,900.85

Finding the Fourth Proportional to 144,081.96, 216,122.99 and 38,900.85

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Solution

The fourth proportional to 144,081.96, 216,122.99 and 38,900.85 is: 58,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,081.96 : 216,122.99 = 38,900.85 : x
  2. Step 2: Convert to fraction form
    144,081.96/216,122.99 = 38,900.85/x
  3. Step 3: Cross multiply
    144,081.96x = 216,122.99 × 38,900.85
  4. Step 4: Simplify right side
    144,081.96x = 8,407,367,821.04
  5. Step 5: Solve for x
    x = 8,407,367,821.04/144,081.96
  6. Step 6: Final answer
    x = 58,351.29

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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.