Home / 136,478.79-204,833.21-57,649.59

Finding the Fourth Proportional to 136,478.79, 204,833.21 and 57,649.59

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Solution

The fourth proportional to 136,478.79, 204,833.21 and 57,649.59 is: 86,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,478.79 : 204,833.21 = 57,649.59 : x
  2. Step 2: Convert to fraction form
    136,478.79/204,833.21 = 57,649.59/x
  3. Step 3: Cross multiply
    136,478.79x = 204,833.21 × 57,649.59
  4. Step 4: Simplify right side
    136,478.79x = 11,808,550,286.64
  5. Step 5: Solve for x
    x = 11,808,550,286.64/136,478.79
  6. Step 6: Final answer
    x = 86,522.97

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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.