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Finding the Fourth Proportional to 115,332.01, 159,162.10 and 66,930.19

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Solution

The fourth proportional to 115,332.01, 159,162.10 and 66,930.19 is: 92,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.01 : 159,162.10 = 66,930.19 : x
  2. Step 2: Convert to fraction form
    115,332.01/159,162.10 = 66,930.19/x
  3. Step 3: Cross multiply
    115,332.01x = 159,162.10 × 66,930.19
  4. Step 4: Simplify right side
    115,332.01x = 10,652,749,028.57
  5. Step 5: Solve for x
    x = 10,652,749,028.57/115,332.01
  6. Step 6: Final answer
    x = 92,365.94

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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.