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Finding the Fourth Proportional to 159,632.28, 220,294.08 and 88,015.14

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Solution

The fourth proportional to 159,632.28, 220,294.08 and 88,015.14 is: 121,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,632.28 : 220,294.08 = 88,015.14 : x
  2. Step 2: Convert to fraction form
    159,632.28/220,294.08 = 88,015.14/x
  3. Step 3: Cross multiply
    159,632.28x = 220,294.08 × 88,015.14
  4. Step 4: Simplify right side
    159,632.28x = 19,389,214,292.37
  5. Step 5: Solve for x
    x = 19,389,214,292.37/159,632.28
  6. Step 6: Final answer
    x = 121,461.74

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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.