Home / 101,631.43-140,248.65-58,609.90

Finding the Fourth Proportional to 101,631.43, 140,248.65 and 58,609.90

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Solution

The fourth proportional to 101,631.43, 140,248.65 and 58,609.90 is: 80,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.43 : 140,248.65 = 58,609.90 : x
  2. Step 2: Convert to fraction form
    101,631.43/140,248.65 = 58,609.90/x
  3. Step 3: Cross multiply
    101,631.43x = 140,248.65 × 58,609.90
  4. Step 4: Simplify right side
    101,631.43x = 8,219,959,351.64
  5. Step 5: Solve for x
    x = 8,219,959,351.64/101,631.43
  6. Step 6: Final answer
    x = 80,880.09

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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.