Home / 161,027.91-222,219.45-88,433.91

Finding the Fourth Proportional to 161,027.91, 222,219.45 and 88,433.91

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Solution

The fourth proportional to 161,027.91, 222,219.45 and 88,433.91 is: 122,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,027.91 : 222,219.45 = 88,433.91 : x
  2. Step 2: Convert to fraction form
    161,027.91/222,219.45 = 88,433.91/x
  3. Step 3: Cross multiply
    161,027.91x = 222,219.45 × 88,433.91
  4. Step 4: Simplify right side
    161,027.91x = 19,651,734,841.55
  5. Step 5: Solve for x
    x = 19,651,734,841.55/161,027.91
  6. Step 6: Final answer
    x = 122,039.31

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1.5x scale

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.