Home / 207,974.48-287,004.78-112,481.18

Finding the Fourth Proportional to 207,974.48, 287,004.78 and 112,481.18

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Solution

The fourth proportional to 207,974.48, 287,004.78 and 112,481.18 is: 155,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974.48 : 287,004.78 = 112,481.18 : x
  2. Step 2: Convert to fraction form
    207,974.48/287,004.78 = 112,481.18/x
  3. Step 3: Cross multiply
    207,974.48x = 287,004.78 × 112,481.18
  4. Step 4: Simplify right side
    207,974.48x = 32,282,636,320.04
  5. Step 5: Solve for x
    x = 32,282,636,320.04/207,974.48
  6. Step 6: Final answer
    x = 155,224.03

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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.