Home / 154,001.20-231,001.80-112,529.20

Finding the Fourth Proportional to 154,001.20, 231,001.80 and 112,529.20

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Solution

The fourth proportional to 154,001.20, 231,001.80 and 112,529.20 is: 168,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,001.20 : 231,001.80 = 112,529.20 : x
  2. Step 2: Convert to fraction form
    154,001.20/231,001.80 = 112,529.20/x
  3. Step 3: Cross multiply
    154,001.20x = 231,001.80 × 112,529.20
  4. Step 4: Simplify right side
    154,001.20x = 25,994,447,752.56
  5. Step 5: Solve for x
    x = 25,994,447,752.56/154,001.20
  6. Step 6: Final answer
    x = 168,793.80

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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.