Home / 89,319.36-134,003.92-72,835.04

Finding the Fourth Proportional to 89,319.36, 134,003.92 and 72,835.04

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Solution

The fourth proportional to 89,319.36, 134,003.92 and 72,835.04 is: 109,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319.36 : 134,003.92 = 72,835.04 : x
  2. Step 2: Convert to fraction form
    89,319.36/134,003.92 = 72,835.04/x
  3. Step 3: Cross multiply
    89,319.36x = 134,003.92 × 72,835.04
  4. Step 4: Simplify right side
    89,319.36x = 9,760,180,873.36
  5. Step 5: Solve for x
    x = 9,760,180,873.36/89,319.36
  6. Step 6: Final answer
    x = 109,272.85

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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.