Home / 175,411.20-262,857.60-148,972.80

Finding the Fourth Proportional to 175,411.20, 262,857.60 and 148,972.80

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Solution

The fourth proportional to 175,411.20, 262,857.60 and 148,972.80 is: 223,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,411.20 : 262,857.60 = 148,972.80 : x
  2. Step 2: Convert to fraction form
    175,411.20/262,857.60 = 148,972.80/x
  3. Step 3: Cross multiply
    175,411.20x = 262,857.60 × 148,972.80
  4. Step 4: Simplify right side
    175,411.20x = 39,158,632,673.28
  5. Step 5: Solve for x
    x = 39,158,632,673.28/175,411.20
  6. Step 6: Final answer
    x = 223,239.07

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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.