Home / 134,919.72-186,204.96-112,218.66

Finding the Fourth Proportional to 134,919.72, 186,204.96 and 112,218.66

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Solution

The fourth proportional to 134,919.72, 186,204.96 and 112,218.66 is: 154,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919.72 : 186,204.96 = 112,218.66 : x
  2. Step 2: Convert to fraction form
    134,919.72/186,204.96 = 112,218.66/x
  3. Step 3: Cross multiply
    134,919.72x = 186,204.96 × 112,218.66
  4. Step 4: Simplify right side
    134,919.72x = 20,895,671,096.55
  5. Step 5: Solve for x
    x = 20,895,671,096.55/134,919.72
  6. Step 6: Final answer
    x = 154,874.85

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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.