Home / 170,139.25-234,805.72-98,520.53

Finding the Fourth Proportional to 170,139.25, 234,805.72 and 98,520.53

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Solution

The fourth proportional to 170,139.25, 234,805.72 and 98,520.53 is: 135,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,139.25 : 234,805.72 = 98,520.53 : x
  2. Step 2: Convert to fraction form
    170,139.25/234,805.72 = 98,520.53/x
  3. Step 3: Cross multiply
    170,139.25x = 234,805.72 × 98,520.53
  4. Step 4: Simplify right side
    170,139.25x = 23,133,183,735.13
  5. Step 5: Solve for x
    x = 23,133,183,735.13/170,139.25
  6. Step 6: Final answer
    x = 135,966.18

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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.