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Finding the Fourth Proportional to 159,749.52, 220,452.90 and 88,130.14

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Solution

The fourth proportional to 159,749.52, 220,452.90 and 88,130.14 is: 121,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,749.52 : 220,452.90 = 88,130.14 : x
  2. Step 2: Convert to fraction form
    159,749.52/220,452.90 = 88,130.14/x
  3. Step 3: Cross multiply
    159,749.52x = 220,452.90 × 88,130.14
  4. Step 4: Simplify right side
    159,749.52x = 19,428,544,940.41
  5. Step 5: Solve for x
    x = 19,428,544,940.41/159,749.52
  6. Step 6: Final answer
    x = 121,618.80

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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.