Home / 252,919.80-379,432.08-103,160.52

Finding the Fourth Proportional to 252,919.80, 379,432.08 and 103,160.52

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Solution

The fourth proportional to 252,919.80, 379,432.08 and 103,160.52 is: 154,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,919.80 : 379,432.08 = 103,160.52 : x
  2. Step 2: Convert to fraction form
    252,919.80/379,432.08 = 103,160.52/x
  3. Step 3: Cross multiply
    252,919.80x = 379,432.08 × 103,160.52
  4. Step 4: Simplify right side
    252,919.80x = 39,142,410,677.48
  5. Step 5: Solve for x
    x = 39,142,410,677.48/252,919.80
  6. Step 6: Final answer
    x = 154,762.14

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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.