Home / 175,981.60-263,769.07-81,012.66

Finding the Fourth Proportional to 175,981.60, 263,769.07 and 81,012.66

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Solution

The fourth proportional to 175,981.60, 263,769.07 and 81,012.66 is: 121,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,981.60 : 263,769.07 = 81,012.66 : x
  2. Step 2: Convert to fraction form
    175,981.60/263,769.07 = 81,012.66/x
  3. Step 3: Cross multiply
    175,981.60x = 263,769.07 × 81,012.66
  4. Step 4: Simplify right side
    175,981.60x = 21,368,632,718.81
  5. Step 5: Solve for x
    x = 21,368,632,718.81/175,981.60
  6. Step 6: Final answer
    x = 121,425.38

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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.