Home / 147,753.86-221,635.71-47,914.88

Finding the Fourth Proportional to 147,753.86, 221,635.71 and 47,914.88

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Solution

The fourth proportional to 147,753.86, 221,635.71 and 47,914.88 is: 71,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,753.86 : 221,635.71 = 47,914.88 : x
  2. Step 2: Convert to fraction form
    147,753.86/221,635.71 = 47,914.88/x
  3. Step 3: Cross multiply
    147,753.86x = 221,635.71 × 47,914.88
  4. Step 4: Simplify right side
    147,753.86x = 10,619,647,340.19
  5. Step 5: Solve for x
    x = 10,619,647,340.19/147,753.86
  6. Step 6: Final answer
    x = 71,873.91

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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.