Home / 136,049.90-187,748.69-75,618.63

Finding the Fourth Proportional to 136,049.90, 187,748.69 and 75,618.63

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Solution

The fourth proportional to 136,049.90, 187,748.69 and 75,618.63 is: 104,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049.90 : 187,748.69 = 75,618.63 : x
  2. Step 2: Convert to fraction form
    136,049.90/187,748.69 = 75,618.63/x
  3. Step 3: Cross multiply
    136,049.90x = 187,748.69 × 75,618.63
  4. Step 4: Simplify right side
    136,049.90x = 14,197,298,344.00
  5. Step 5: Solve for x
    x = 14,197,298,344.00/136,049.90
  6. Step 6: Final answer
    x = 104,353.61

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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.