Home / 154,734.80-231,929.40-88,206.80

Finding the Fourth Proportional to 154,734.80, 231,929.40 and 88,206.80

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Solution

The fourth proportional to 154,734.80, 231,929.40 and 88,206.80 is: 132,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,734.80 : 231,929.40 = 88,206.80 : x
  2. Step 2: Convert to fraction form
    154,734.80/231,929.40 = 88,206.80/x
  3. Step 3: Cross multiply
    154,734.80x = 231,929.40 × 88,206.80
  4. Step 4: Simplify right side
    154,734.80x = 20,457,750,199.92
  5. Step 5: Solve for x
    x = 20,457,750,199.92/154,734.80
  6. Step 6: Final answer
    x = 132,211.70

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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.