Home / 176,337.28-243,367.72-109,279.36

Finding the Fourth Proportional to 176,337.28, 243,367.72 and 109,279.36

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Solution

The fourth proportional to 176,337.28, 243,367.72 and 109,279.36 is: 150,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,337.28 : 243,367.72 = 109,279.36 : x
  2. Step 2: Convert to fraction form
    176,337.28/243,367.72 = 109,279.36/x
  3. Step 3: Cross multiply
    176,337.28x = 243,367.72 × 109,279.36
  4. Step 4: Simplify right side
    176,337.28x = 26,595,068,686.26
  5. Step 5: Solve for x
    x = 26,595,068,686.26/176,337.28
  6. Step 6: Final answer
    x = 150,819.32

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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.