Home / 200,757.16-277,165.02-125,407.72

Finding the Fourth Proportional to 200,757.16, 277,165.02 and 125,407.72

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Solution

The fourth proportional to 200,757.16, 277,165.02 and 125,407.72 is: 173,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,757.16 : 277,165.02 = 125,407.72 : x
  2. Step 2: Convert to fraction form
    200,757.16/277,165.02 = 125,407.72/x
  3. Step 3: Cross multiply
    200,757.16x = 277,165.02 × 125,407.72
  4. Step 4: Simplify right side
    200,757.16x = 34,758,633,221.95
  5. Step 5: Solve for x
    x = 34,758,633,221.95/200,757.16
  6. Step 6: Final answer
    x = 173,137.70

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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.