Home / 221,947.44-306,287.51-119,972.63

Finding the Fourth Proportional to 221,947.44, 306,287.51 and 119,972.63

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Solution

The fourth proportional to 221,947.44, 306,287.51 and 119,972.63 is: 165,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,947.44 : 306,287.51 = 119,972.63 : x
  2. Step 2: Convert to fraction form
    221,947.44/306,287.51 = 119,972.63/x
  3. Step 3: Cross multiply
    221,947.44x = 306,287.51 × 119,972.63
  4. Step 4: Simplify right side
    221,947.44x = 36,746,115,979.55
  5. Step 5: Solve for x
    x = 36,746,115,979.55/221,947.44
  6. Step 6: Final answer
    x = 165,562.24

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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.