Home / 88,189.64-132,146.22-74,987.72

Finding the Fourth Proportional to 88,189.64, 132,146.22 and 74,987.72

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Solution

The fourth proportional to 88,189.64, 132,146.22 and 74,987.72 is: 112,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,189.64 : 132,146.22 = 74,987.72 : x
  2. Step 2: Convert to fraction form
    88,189.64/132,146.22 = 74,987.72/x
  3. Step 3: Cross multiply
    88,189.64x = 132,146.22 × 74,987.72
  4. Step 4: Simplify right side
    88,189.64x = 9,909,343,744.42
  5. Step 5: Solve for x
    x = 9,909,343,744.42/88,189.64
  6. Step 6: Final answer
    x = 112,364.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.