Home / 151,734.28-209,391.15-83,752.54

Finding the Fourth Proportional to 151,734.28, 209,391.15 and 83,752.54

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Solution

The fourth proportional to 151,734.28, 209,391.15 and 83,752.54 is: 115,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,734.28 : 209,391.15 = 83,752.54 : x
  2. Step 2: Convert to fraction form
    151,734.28/209,391.15 = 83,752.54/x
  3. Step 3: Cross multiply
    151,734.28x = 209,391.15 × 83,752.54
  4. Step 4: Simplify right side
    151,734.28x = 17,537,040,666.02
  5. Step 5: Solve for x
    x = 17,537,040,666.02/151,734.28
  6. Step 6: Final answer
    x = 115,577.31

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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.