Home / 140,238.60-209,865.33-120,752.52

Finding the Fourth Proportional to 140,238.60, 209,865.33 and 120,752.52

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Solution

The fourth proportional to 140,238.60, 209,865.33 and 120,752.52 is: 180,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,238.60 : 209,865.33 = 120,752.52 : x
  2. Step 2: Convert to fraction form
    140,238.60/209,865.33 = 120,752.52/x
  3. Step 3: Cross multiply
    140,238.60x = 209,865.33 × 120,752.52
  4. Step 4: Simplify right side
    140,238.60x = 25,341,767,458.13
  5. Step 5: Solve for x
    x = 25,341,767,458.13/140,238.60
  6. Step 6: Final answer
    x = 180,704.65

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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.