Home / 137,664.36-206,518.14-58,779

Finding the Fourth Proportional to 137,664.36, 206,518.14 and 58,779

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Solution

The fourth proportional to 137,664.36, 206,518.14 and 58,779 is: 88,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,664.36 : 206,518.14 = 58,779 : x
  2. Step 2: Convert to fraction form
    137,664.36/206,518.14 = 58,779/x
  3. Step 3: Cross multiply
    137,664.36x = 206,518.14 × 58,779
  4. Step 4: Simplify right side
    137,664.36x = 12,138,929,751.06
  5. Step 5: Solve for x
    x = 12,138,929,751.06/137,664.36
  6. Step 6: Final answer
    x = 88,177.72

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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.