Home / 154,291.75-231,377.80-53,070.56

Finding the Fourth Proportional to 154,291.75, 231,377.80 and 53,070.56

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Solution

The fourth proportional to 154,291.75, 231,377.80 and 53,070.56 is: 79,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,291.75 : 231,377.80 = 53,070.56 : x
  2. Step 2: Convert to fraction form
    154,291.75/231,377.80 = 53,070.56/x
  3. Step 3: Cross multiply
    154,291.75x = 231,377.80 × 53,070.56
  4. Step 4: Simplify right side
    154,291.75x = 12,279,348,260.68
  5. Step 5: Solve for x
    x = 12,279,348,260.68/154,291.75
  6. Step 6: Final answer
    x = 79,585.25

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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.