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Finding the Fourth Proportional to 161,332.66, 222,644.48 and 88,738.62

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Solution

The fourth proportional to 161,332.66, 222,644.48 and 88,738.62 is: 122,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.66 : 222,644.48 = 88,738.62 : x
  2. Step 2: Convert to fraction form
    161,332.66/222,644.48 = 88,738.62/x
  3. Step 3: Cross multiply
    161,332.66x = 222,644.48 × 88,738.62
  4. Step 4: Simplify right side
    161,332.66x = 19,757,164,378.74
  5. Step 5: Solve for x
    x = 19,757,164,378.74/161,332.66
  6. Step 6: Final answer
    x = 122,462.27

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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.