Home / 136,443.72-204,687.47-57,569.57

Finding the Fourth Proportional to 136,443.72, 204,687.47 and 57,569.57

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Solution

The fourth proportional to 136,443.72, 204,687.47 and 57,569.57 is: 86,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,443.72 : 204,687.47 = 57,569.57 : x
  2. Step 2: Convert to fraction form
    136,443.72/204,687.47 = 57,569.57/x
  3. Step 3: Cross multiply
    136,443.72x = 204,687.47 × 57,569.57
  4. Step 4: Simplify right side
    136,443.72x = 11,783,769,520.35
  5. Step 5: Solve for x
    x = 11,783,769,520.35/136,443.72
  6. Step 6: Final answer
    x = 86,363.59

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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.