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Finding the Fourth Proportional to 159,620.40, 220,277.52 and 88,003.20

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Solution

The fourth proportional to 159,620.40, 220,277.52 and 88,003.20 is: 121,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,620.40 : 220,277.52 = 88,003.20 : x
  2. Step 2: Convert to fraction form
    159,620.40/220,277.52 = 88,003.20/x
  3. Step 3: Cross multiply
    159,620.40x = 220,277.52 × 88,003.20
  4. Step 4: Simplify right side
    159,620.40x = 19,385,126,648.06
  5. Step 5: Solve for x
    x = 19,385,126,648.06/159,620.40
  6. Step 6: Final answer
    x = 121,445.17

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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.