Home / 90,827.55-136,195.74-57,614.31

Finding the Fourth Proportional to 90,827.55, 136,195.74 and 57,614.31

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Solution

The fourth proportional to 90,827.55, 136,195.74 and 57,614.31 is: 86,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.55 : 136,195.74 = 57,614.31 : x
  2. Step 2: Convert to fraction form
    90,827.55/136,195.74 = 57,614.31/x
  3. Step 3: Cross multiply
    90,827.55x = 136,195.74 × 57,614.31
  4. Step 4: Simplify right side
    90,827.55x = 7,846,823,585.04
  5. Step 5: Solve for x
    x = 7,846,823,585.04/90,827.55
  6. Step 6: Final answer
    x = 86,392.55

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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.