Home / 115,010.48-158,731.43-69,073.22

Finding the Fourth Proportional to 115,010.48, 158,731.43 and 69,073.22

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Solution

The fourth proportional to 115,010.48, 158,731.43 and 69,073.22 is: 95,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,010.48 : 158,731.43 = 69,073.22 : x
  2. Step 2: Convert to fraction form
    115,010.48/158,731.43 = 69,073.22/x
  3. Step 3: Cross multiply
    115,010.48x = 158,731.43 × 69,073.22
  4. Step 4: Simplify right side
    115,010.48x = 10,964,090,639.94
  5. Step 5: Solve for x
    x = 10,964,090,639.94/115,010.48
  6. Step 6: Final answer
    x = 95,331.23

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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.