Home / 142,773.28-197,050.32-136,473.76

Finding the Fourth Proportional to 142,773.28, 197,050.32 and 136,473.76

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Solution

The fourth proportional to 142,773.28, 197,050.32 and 136,473.76 is: 188,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,773.28 : 197,050.32 = 136,473.76 : x
  2. Step 2: Convert to fraction form
    142,773.28/197,050.32 = 136,473.76/x
  3. Step 3: Cross multiply
    142,773.28x = 197,050.32 × 136,473.76
  4. Step 4: Simplify right side
    142,773.28x = 26,892,198,079.60
  5. Step 5: Solve for x
    x = 26,892,198,079.60/142,773.28
  6. Step 6: Final answer
    x = 188,355.96

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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.