Home / 170,292.18-235,003.28-98,713.72

Finding the Fourth Proportional to 170,292.18, 235,003.28 and 98,713.72

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Solution

The fourth proportional to 170,292.18, 235,003.28 and 98,713.72 is: 136,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,292.18 : 235,003.28 = 98,713.72 : x
  2. Step 2: Convert to fraction form
    170,292.18/235,003.28 = 98,713.72/x
  3. Step 3: Cross multiply
    170,292.18x = 235,003.28 × 98,713.72
  4. Step 4: Simplify right side
    170,292.18x = 23,198,046,805.99
  5. Step 5: Solve for x
    x = 23,198,046,805.99/170,292.18
  6. Step 6: Final answer
    x = 136,224.97

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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.