Home / 119,388.89-179,021.70-35,138.11

Finding the Fourth Proportional to 119,388.89, 179,021.70 and 35,138.11

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Solution

The fourth proportional to 119,388.89, 179,021.70 and 35,138.11 is: 52,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,388.89 : 179,021.70 = 35,138.11 : x
  2. Step 2: Convert to fraction form
    119,388.89/179,021.70 = 35,138.11/x
  3. Step 3: Cross multiply
    119,388.89x = 179,021.70 × 35,138.11
  4. Step 4: Simplify right side
    119,388.89x = 6,290,484,186.99
  5. Step 5: Solve for x
    x = 6,290,484,186.99/119,388.89
  6. Step 6: Final answer
    x = 52,689.02

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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.