Home / 88,132.16-132,219.04-28,968

Finding the Fourth Proportional to 88,132.16, 132,219.04 and 28,968

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Solution

The fourth proportional to 88,132.16, 132,219.04 and 28,968 is: 43,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.16 : 132,219.04 = 28,968 : x
  2. Step 2: Convert to fraction form
    88,132.16/132,219.04 = 28,968/x
  3. Step 3: Cross multiply
    88,132.16x = 132,219.04 × 28,968
  4. Step 4: Simplify right side
    88,132.16x = 3,830,121,150.72
  5. Step 5: Solve for x
    x = 3,830,121,150.72/88,132.16
  6. Step 6: Final answer
    x = 43,458.84

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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.