Home / 119,828.29-179,571.16-87,988.53

Finding the Fourth Proportional to 119,828.29, 179,571.16 and 87,988.53

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Solution

The fourth proportional to 119,828.29, 179,571.16 and 87,988.53 is: 131,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,828.29 : 179,571.16 = 87,988.53 : x
  2. Step 2: Convert to fraction form
    119,828.29/179,571.16 = 87,988.53/x
  3. Step 3: Cross multiply
    119,828.29x = 179,571.16 × 87,988.53
  4. Step 4: Simplify right side
    119,828.29x = 15,800,202,398.79
  5. Step 5: Solve for x
    x = 15,800,202,398.79/119,828.29
  6. Step 6: Final answer
    x = 131,857.03

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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.