Home / 197,472.72-272,228.91-140,785.68

Finding the Fourth Proportional to 197,472.72, 272,228.91 and 140,785.68

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Solution

The fourth proportional to 197,472.72, 272,228.91 and 140,785.68 is: 194,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,472.72 : 272,228.91 = 140,785.68 : x
  2. Step 2: Convert to fraction form
    197,472.72/272,228.91 = 140,785.68/x
  3. Step 3: Cross multiply
    197,472.72x = 272,228.91 × 140,785.68
  4. Step 4: Simplify right side
    197,472.72x = 38,325,932,210.01
  5. Step 5: Solve for x
    x = 38,325,932,210.01/197,472.72
  6. Step 6: Final answer
    x = 194,082.16

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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.