Home / 147,822.63-203,995.20-79,839.60

Finding the Fourth Proportional to 147,822.63, 203,995.20 and 79,839.60

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Solution

The fourth proportional to 147,822.63, 203,995.20 and 79,839.60 is: 110,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.63 : 203,995.20 = 79,839.60 : x
  2. Step 2: Convert to fraction form
    147,822.63/203,995.20 = 79,839.60/x
  3. Step 3: Cross multiply
    147,822.63x = 203,995.20 × 79,839.60
  4. Step 4: Simplify right side
    147,822.63x = 16,286,895,169.92
  5. Step 5: Solve for x
    x = 16,286,895,169.92/147,822.63
  6. Step 6: Final answer
    x = 110,178.63

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1.5x scale

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.