Home / 160,328.52-221,259.87-88,707.38

Finding the Fourth Proportional to 160,328.52, 221,259.87 and 88,707.38

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Solution

The fourth proportional to 160,328.52, 221,259.87 and 88,707.38 is: 122,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,328.52 : 221,259.87 = 88,707.38 : x
  2. Step 2: Convert to fraction form
    160,328.52/221,259.87 = 88,707.38/x
  3. Step 3: Cross multiply
    160,328.52x = 221,259.87 × 88,707.38
  4. Step 4: Simplify right side
    160,328.52x = 19,627,382,260.54
  5. Step 5: Solve for x
    x = 19,627,382,260.54/160,328.52
  6. Step 6: Final answer
    x = 122,419.78

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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.