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Finding the Fourth Proportional to 158,224.88, 218,350.60 and 86,609.44

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Solution

The fourth proportional to 158,224.88, 218,350.60 and 86,609.44 is: 119,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,224.88 : 218,350.60 = 86,609.44 : x
  2. Step 2: Convert to fraction form
    158,224.88/218,350.60 = 86,609.44/x
  3. Step 3: Cross multiply
    158,224.88x = 218,350.60 × 86,609.44
  4. Step 4: Simplify right side
    158,224.88x = 18,911,223,189.66
  5. Step 5: Solve for x
    x = 18,911,223,189.66/158,224.88
  6. Step 6: Final answer
    x = 119,521.17

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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.