Home / 161,289.90-222,575.13-88,692.66

Finding the Fourth Proportional to 161,289.90, 222,575.13 and 88,692.66

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Solution

The fourth proportional to 161,289.90, 222,575.13 and 88,692.66 is: 122,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289.90 : 222,575.13 = 88,692.66 : x
  2. Step 2: Convert to fraction form
    161,289.90/222,575.13 = 88,692.66/x
  3. Step 3: Cross multiply
    161,289.90x = 222,575.13 × 88,692.66
  4. Step 4: Simplify right side
    161,289.90x = 19,740,780,329.55
  5. Step 5: Solve for x
    x = 19,740,780,329.55/161,289.90
  6. Step 6: Final answer
    x = 122,393.16

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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.