Home / 132,617.30-183,015.71-72,191.86

Finding the Fourth Proportional to 132,617.30, 183,015.71 and 72,191.86

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Solution

The fourth proportional to 132,617.30, 183,015.71 and 72,191.86 is: 99,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.30 : 183,015.71 = 72,191.86 : x
  2. Step 2: Convert to fraction form
    132,617.30/183,015.71 = 72,191.86/x
  3. Step 3: Cross multiply
    132,617.30x = 183,015.71 × 72,191.86
  4. Step 4: Simplify right side
    132,617.30x = 13,212,244,514.12
  5. Step 5: Solve for x
    x = 13,212,244,514.12/132,617.30
  6. Step 6: Final answer
    x = 99,626.85

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1.5x scale

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.