Home / 148,251.52-204,585.64-80,266.72

Finding the Fourth Proportional to 148,251.52, 204,585.64 and 80,266.72

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Solution

The fourth proportional to 148,251.52, 204,585.64 and 80,266.72 is: 110,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,251.52 : 204,585.64 = 80,266.72 : x
  2. Step 2: Convert to fraction form
    148,251.52/204,585.64 = 80,266.72/x
  3. Step 3: Cross multiply
    148,251.52x = 204,585.64 × 80,266.72
  4. Step 4: Simplify right side
    148,251.52x = 16,421,418,281.90
  5. Step 5: Solve for x
    x = 16,421,418,281.90/148,251.52
  6. Step 6: Final answer
    x = 110,767.28

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1.5x scale

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.