Home / 202,861.67-279,949.07-110,981.70

Finding the Fourth Proportional to 202,861.67, 279,949.07 and 110,981.70

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Solution

The fourth proportional to 202,861.67, 279,949.07 and 110,981.70 is: 153,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,861.67 : 279,949.07 = 110,981.70 : x
  2. Step 2: Convert to fraction form
    202,861.67/279,949.07 = 110,981.70/x
  3. Step 3: Cross multiply
    202,861.67x = 279,949.07 × 110,981.70
  4. Step 4: Simplify right side
    202,861.67x = 31,069,223,979.47
  5. Step 5: Solve for x
    x = 31,069,223,979.47/202,861.67
  6. Step 6: Final answer
    x = 153,154.73

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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.