Home / 88,321.48-132,538.08-80,018.24

Finding the Fourth Proportional to 88,321.48, 132,538.08 and 80,018.24

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Solution

The fourth proportional to 88,321.48, 132,538.08 and 80,018.24 is: 120,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,321.48 : 132,538.08 = 80,018.24 : x
  2. Step 2: Convert to fraction form
    88,321.48/132,538.08 = 80,018.24/x
  3. Step 3: Cross multiply
    88,321.48x = 132,538.08 × 80,018.24
  4. Step 4: Simplify right side
    88,321.48x = 10,605,463,894.58
  5. Step 5: Solve for x
    x = 10,605,463,894.58/88,321.48
  6. Step 6: Final answer
    x = 120,077.97

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1.5x scale

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.