Home / 148,631.42-205,110.81-88,251.69

Finding the Fourth Proportional to 148,631.42, 205,110.81 and 88,251.69

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Solution

The fourth proportional to 148,631.42, 205,110.81 and 88,251.69 is: 121,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,631.42 : 205,110.81 = 88,251.69 : x
  2. Step 2: Convert to fraction form
    148,631.42/205,110.81 = 88,251.69/x
  3. Step 3: Cross multiply
    148,631.42x = 205,110.81 × 88,251.69
  4. Step 4: Simplify right side
    148,631.42x = 18,101,375,619.77
  5. Step 5: Solve for x
    x = 18,101,375,619.77/148,631.42
  6. Step 6: Final answer
    x = 121,787.01

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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.