Home / 160,177.89-221,026-88,547.97

Finding the Fourth Proportional to 160,177.89, 221,026 and 88,547.97

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Solution

The fourth proportional to 160,177.89, 221,026 and 88,547.97 is: 122,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,177.89 : 221,026 = 88,547.97 : x
  2. Step 2: Convert to fraction form
    160,177.89/221,026 = 88,547.97/x
  3. Step 3: Cross multiply
    160,177.89x = 221,026 × 88,547.97
  4. Step 4: Simplify right side
    160,177.89x = 19,571,403,617.22
  5. Step 5: Solve for x
    x = 19,571,403,617.22/160,177.89
  6. Step 6: Final answer
    x = 122,185.43

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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.