Home / 197,728.74-272,864.30-107,082.63

Finding the Fourth Proportional to 197,728.74, 272,864.30 and 107,082.63

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Solution

The fourth proportional to 197,728.74, 272,864.30 and 107,082.63 is: 147,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,728.74 : 272,864.30 = 107,082.63 : x
  2. Step 2: Convert to fraction form
    197,728.74/272,864.30 = 107,082.63/x
  3. Step 3: Cross multiply
    197,728.74x = 272,864.30 × 107,082.63
  4. Step 4: Simplify right side
    197,728.74x = 29,219,026,341.70
  5. Step 5: Solve for x
    x = 29,219,026,341.70/197,728.74
  6. Step 6: Final answer
    x = 147,773.29

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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.