Home / 97,990.24-135,186.24-63,987.04

Finding the Fourth Proportional to 97,990.24, 135,186.24 and 63,987.04

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Solution

The fourth proportional to 97,990.24, 135,186.24 and 63,987.04 is: 88,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,990.24 : 135,186.24 = 63,987.04 : x
  2. Step 2: Convert to fraction form
    97,990.24/135,186.24 = 63,987.04/x
  3. Step 3: Cross multiply
    97,990.24x = 135,186.24 × 63,987.04
  4. Step 4: Simplify right side
    97,990.24x = 8,650,167,346.33
  5. Step 5: Solve for x
    x = 8,650,167,346.33/97,990.24
  6. Step 6: Final answer
    x = 88,275.81

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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.