Home / 149,217.19-205,463.69-112,476.79

Finding the Fourth Proportional to 149,217.19, 205,463.69 and 112,476.79

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Solution

The fourth proportional to 149,217.19, 205,463.69 and 112,476.79 is: 154,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,217.19 : 205,463.69 = 112,476.79 : x
  2. Step 2: Convert to fraction form
    149,217.19/205,463.69 = 112,476.79/x
  3. Step 3: Cross multiply
    149,217.19x = 205,463.69 × 112,476.79
  4. Step 4: Simplify right side
    149,217.19x = 23,109,895,273.26
  5. Step 5: Solve for x
    x = 23,109,895,273.26/149,217.19
  6. Step 6: Final answer
    x = 154,874.22

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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.