Home / 154,099.74-231,149.70-101,126.84

Finding the Fourth Proportional to 154,099.74, 231,149.70 and 101,126.84

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Solution

The fourth proportional to 154,099.74, 231,149.70 and 101,126.84 is: 151,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,099.74 : 231,149.70 = 101,126.84 : x
  2. Step 2: Convert to fraction form
    154,099.74/231,149.70 = 101,126.84/x
  3. Step 3: Cross multiply
    154,099.74x = 231,149.70 × 101,126.84
  4. Step 4: Simplify right side
    154,099.74x = 23,375,437,572.20
  5. Step 5: Solve for x
    x = 23,375,437,572.20/154,099.74
  6. Step 6: Final answer
    x = 151,690.31

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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.