Home / 161,555.61-222,948.41-88,965.26

Finding the Fourth Proportional to 161,555.61, 222,948.41 and 88,965.26

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Solution

The fourth proportional to 161,555.61, 222,948.41 and 88,965.26 is: 122,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.61 : 222,948.41 = 88,965.26 : x
  2. Step 2: Convert to fraction form
    161,555.61/222,948.41 = 88,965.26/x
  3. Step 3: Cross multiply
    161,555.61x = 222,948.41 × 88,965.26
  4. Step 4: Simplify right side
    161,555.61x = 19,834,661,702.67
  5. Step 5: Solve for x
    x = 19,834,661,702.67/161,555.61
  6. Step 6: Final answer
    x = 122,772.97

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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.