Home / 115,177.95-158,939.15-63,493.38

Finding the Fourth Proportional to 115,177.95, 158,939.15 and 63,493.38

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Solution

The fourth proportional to 115,177.95, 158,939.15 and 63,493.38 is: 87,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,177.95 : 158,939.15 = 63,493.38 : x
  2. Step 2: Convert to fraction form
    115,177.95/158,939.15 = 63,493.38/x
  3. Step 3: Cross multiply
    115,177.95x = 158,939.15 × 63,493.38
  4. Step 4: Simplify right side
    115,177.95x = 10,091,583,530.36
  5. Step 5: Solve for x
    x = 10,091,583,530.36/115,177.95
  6. Step 6: Final answer
    x = 87,617.32

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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.