Home / 116,631.80-174,947.70-80,862.20

Finding the Fourth Proportional to 116,631.80, 174,947.70 and 80,862.20

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Solution

The fourth proportional to 116,631.80, 174,947.70 and 80,862.20 is: 121,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,631.80 : 174,947.70 = 80,862.20 : x
  2. Step 2: Convert to fraction form
    116,631.80/174,947.70 = 80,862.20/x
  3. Step 3: Cross multiply
    116,631.80x = 174,947.70 × 80,862.20
  4. Step 4: Simplify right side
    116,631.80x = 14,146,655,906.94
  5. Step 5: Solve for x
    x = 14,146,655,906.94/116,631.80
  6. Step 6: Final answer
    x = 121,293.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.