Home / 115,346.96-159,182.60-66,945.23

Finding the Fourth Proportional to 115,346.96, 159,182.60 and 66,945.23

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Solution

The fourth proportional to 115,346.96, 159,182.60 and 66,945.23 is: 92,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,346.96 : 159,182.60 = 66,945.23 : x
  2. Step 2: Convert to fraction form
    115,346.96/159,182.60 = 66,945.23/x
  3. Step 3: Cross multiply
    115,346.96x = 159,182.60 × 66,945.23
  4. Step 4: Simplify right side
    115,346.96x = 10,656,515,769.00
  5. Step 5: Solve for x
    x = 10,656,515,769.00/115,346.96
  6. Step 6: Final answer
    x = 92,386.62

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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.