Home / 120,001.79-179,995.35-49,881.71

Finding the Fourth Proportional to 120,001.79, 179,995.35 and 49,881.71

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Solution

The fourth proportional to 120,001.79, 179,995.35 and 49,881.71 is: 74,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,001.79 : 179,995.35 = 49,881.71 : x
  2. Step 2: Convert to fraction form
    120,001.79/179,995.35 = 49,881.71/x
  3. Step 3: Cross multiply
    120,001.79x = 179,995.35 × 49,881.71
  4. Step 4: Simplify right side
    120,001.79x = 8,978,476,487.09
  5. Step 5: Solve for x
    x = 8,978,476,487.09/120,001.79
  6. Step 6: Final answer
    x = 74,819.52

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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.