Home / 116,947.05-161,428.40-69,200.28

Finding the Fourth Proportional to 116,947.05, 161,428.40 and 69,200.28

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Solution

The fourth proportional to 116,947.05, 161,428.40 and 69,200.28 is: 95,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,947.05 : 161,428.40 = 69,200.28 : x
  2. Step 2: Convert to fraction form
    116,947.05/161,428.40 = 69,200.28/x
  3. Step 3: Cross multiply
    116,947.05x = 161,428.40 × 69,200.28
  4. Step 4: Simplify right side
    116,947.05x = 11,170,890,133.95
  5. Step 5: Solve for x
    x = 11,170,890,133.95/116,947.05
  6. Step 6: Final answer
    x = 95,520.92

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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.