Home / 115,345.96-159,181.22-66,944.23

Finding the Fourth Proportional to 115,345.96, 159,181.22 and 66,944.23

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Solution

The fourth proportional to 115,345.96, 159,181.22 and 66,944.23 is: 92,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,345.96 : 159,181.22 = 66,944.23 : x
  2. Step 2: Convert to fraction form
    115,345.96/159,181.22 = 66,944.23/x
  3. Step 3: Cross multiply
    115,345.96x = 159,181.22 × 66,944.23
  4. Step 4: Simplify right side
    115,345.96x = 10,656,263,470.69
  5. Step 5: Solve for x
    x = 10,656,263,470.69/115,345.96
  6. Step 6: Final answer
    x = 92,385.24

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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.