Home / 106,742.32-160,213.80-54,189.52

Finding the Fourth Proportional to 106,742.32, 160,213.80 and 54,189.52

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Solution

The fourth proportional to 106,742.32, 160,213.80 and 54,189.52 is: 81,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,742.32 : 160,213.80 = 54,189.52 : x
  2. Step 2: Convert to fraction form
    106,742.32/160,213.80 = 54,189.52/x
  3. Step 3: Cross multiply
    106,742.32x = 160,213.80 × 54,189.52
  4. Step 4: Simplify right side
    106,742.32x = 8,681,908,919.38
  5. Step 5: Solve for x
    x = 8,681,908,919.38/106,742.32
  6. Step 6: Final answer
    x = 81,335.21

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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.