Home / 136,106.52-187,827.17-75,676.52

Finding the Fourth Proportional to 136,106.52, 187,827.17 and 75,676.52

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Solution

The fourth proportional to 136,106.52, 187,827.17 and 75,676.52 is: 104,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.52 : 187,827.17 = 75,676.52 : x
  2. Step 2: Convert to fraction form
    136,106.52/187,827.17 = 75,676.52/x
  3. Step 3: Cross multiply
    136,106.52x = 187,827.17 × 75,676.52
  4. Step 4: Simplify right side
    136,106.52x = 14,214,106,587.05
  5. Step 5: Solve for x
    x = 14,214,106,587.05/136,106.52
  6. Step 6: Final answer
    x = 104,433.69

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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.