Home / 132,619.38-183,017.08-72,191.76

Finding the Fourth Proportional to 132,619.38, 183,017.08 and 72,191.76

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Solution

The fourth proportional to 132,619.38, 183,017.08 and 72,191.76 is: 99,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.38 : 183,017.08 = 72,191.76 : x
  2. Step 2: Convert to fraction form
    132,619.38/183,017.08 = 72,191.76/x
  3. Step 3: Cross multiply
    132,619.38x = 183,017.08 × 72,191.76
  4. Step 4: Simplify right side
    132,619.38x = 13,212,325,115.26
  5. Step 5: Solve for x
    x = 13,212,325,115.26/132,619.38
  6. Step 6: Final answer
    x = 99,625.90

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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.