Home / 177,880.62-245,537.76-109,949.70

Finding the Fourth Proportional to 177,880.62, 245,537.76 and 109,949.70

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Solution

The fourth proportional to 177,880.62, 245,537.76 and 109,949.70 is: 151,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.62 : 245,537.76 = 109,949.70 : x
  2. Step 2: Convert to fraction form
    177,880.62/245,537.76 = 109,949.70/x
  3. Step 3: Cross multiply
    177,880.62x = 245,537.76 × 109,949.70
  4. Step 4: Simplify right side
    177,880.62x = 26,996,803,050.67
  5. Step 5: Solve for x
    x = 26,996,803,050.67/177,880.62
  6. Step 6: Final answer
    x = 151,769.22

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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.