Home / 154,255.30-231,337.56-69,966.70

Finding the Fourth Proportional to 154,255.30, 231,337.56 and 69,966.70

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Solution

The fourth proportional to 154,255.30, 231,337.56 and 69,966.70 is: 104,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,255.30 : 231,337.56 = 69,966.70 : x
  2. Step 2: Convert to fraction form
    154,255.30/231,337.56 = 69,966.70/x
  3. Step 3: Cross multiply
    154,255.30x = 231,337.56 × 69,966.70
  4. Step 4: Simplify right side
    154,255.30x = 16,185,925,659.25
  5. Step 5: Solve for x
    x = 16,185,925,659.25/154,255.30
  6. Step 6: Final answer
    x = 104,929.46

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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.