Home / 115,250.95-159,042.38-63,570.09

Finding the Fourth Proportional to 115,250.95, 159,042.38 and 63,570.09

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Solution

The fourth proportional to 115,250.95, 159,042.38 and 63,570.09 is: 87,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.95 : 159,042.38 = 63,570.09 : x
  2. Step 2: Convert to fraction form
    115,250.95/159,042.38 = 63,570.09/x
  3. Step 3: Cross multiply
    115,250.95x = 159,042.38 × 63,570.09
  4. Step 4: Simplify right side
    115,250.95x = 10,110,338,688.97
  5. Step 5: Solve for x
    x = 10,110,338,688.97/115,250.95
  6. Step 6: Final answer
    x = 87,724.56

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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.