Home / 147,822.64-203,995.22-79,839.60

Finding the Fourth Proportional to 147,822.64, 203,995.22 and 79,839.60

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Solution

The fourth proportional to 147,822.64, 203,995.22 and 79,839.60 is: 110,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.64 : 203,995.22 = 79,839.60 : x
  2. Step 2: Convert to fraction form
    147,822.64/203,995.22 = 79,839.60/x
  3. Step 3: Cross multiply
    147,822.64x = 203,995.22 × 79,839.60
  4. Step 4: Simplify right side
    147,822.64x = 16,286,896,766.71
  5. Step 5: Solve for x
    x = 16,286,896,766.71/147,822.64
  6. Step 6: Final answer
    x = 110,178.64

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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.