Home / 148,291.12-204,641.44-80,307.88

Finding the Fourth Proportional to 148,291.12, 204,641.44 and 80,307.88

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Solution

The fourth proportional to 148,291.12, 204,641.44 and 80,307.88 is: 110,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,291.12 : 204,641.44 = 80,307.88 : x
  2. Step 2: Convert to fraction form
    148,291.12/204,641.44 = 80,307.88/x
  3. Step 3: Cross multiply
    148,291.12x = 204,641.44 × 80,307.88
  4. Step 4: Simplify right side
    148,291.12x = 16,434,320,206.55
  5. Step 5: Solve for x
    x = 16,434,320,206.55/148,291.12
  6. Step 6: Final answer
    x = 110,824.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.