Home / 115,553.44-159,461.74-64,567.20

Finding the Fourth Proportional to 115,553.44, 159,461.74 and 64,567.20

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Solution

The fourth proportional to 115,553.44, 159,461.74 and 64,567.20 is: 89,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.44 : 159,461.74 = 64,567.20 : x
  2. Step 2: Convert to fraction form
    115,553.44/159,461.74 = 64,567.20/x
  3. Step 3: Cross multiply
    115,553.44x = 159,461.74 × 64,567.20
  4. Step 4: Simplify right side
    115,553.44x = 10,295,998,058.93
  5. Step 5: Solve for x
    x = 10,295,998,058.93/115,553.44
  6. Step 6: Final answer
    x = 89,101.61

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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.