Home / 156,728.01-216,278.01-88,748.70

Finding the Fourth Proportional to 156,728.01, 216,278.01 and 88,748.70

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Solution

The fourth proportional to 156,728.01, 216,278.01 and 88,748.70 is: 122,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728.01 : 216,278.01 = 88,748.70 : x
  2. Step 2: Convert to fraction form
    156,728.01/216,278.01 = 88,748.70/x
  3. Step 3: Cross multiply
    156,728.01x = 216,278.01 × 88,748.70
  4. Step 4: Simplify right side
    156,728.01x = 19,194,392,226.09
  5. Step 5: Solve for x
    x = 19,194,392,226.09/156,728.01
  6. Step 6: Final answer
    x = 122,469.44

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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.