Home / 117,244.11-161,799.86-71,947.11

Finding the Fourth Proportional to 117,244.11, 161,799.86 and 71,947.11

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Solution

The fourth proportional to 117,244.11, 161,799.86 and 71,947.11 is: 99,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,244.11 : 161,799.86 = 71,947.11 : x
  2. Step 2: Convert to fraction form
    117,244.11/161,799.86 = 71,947.11/x
  3. Step 3: Cross multiply
    117,244.11x = 161,799.86 × 71,947.11
  4. Step 4: Simplify right side
    117,244.11x = 11,641,031,965.67
  5. Step 5: Solve for x
    x = 11,641,031,965.67/117,244.11
  6. Step 6: Final answer
    x = 99,288.84

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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.