Home / 147,723.32-203,858.10-80,655.32

Finding the Fourth Proportional to 147,723.32, 203,858.10 and 80,655.32

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Solution

The fourth proportional to 147,723.32, 203,858.10 and 80,655.32 is: 111,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,723.32 : 203,858.10 = 80,655.32 : x
  2. Step 2: Convert to fraction form
    147,723.32/203,858.10 = 80,655.32/x
  3. Step 3: Cross multiply
    147,723.32x = 203,858.10 × 80,655.32
  4. Step 4: Simplify right side
    147,723.32x = 16,442,240,290.09
  5. Step 5: Solve for x
    x = 16,442,240,290.09/147,723.32
  6. Step 6: Final answer
    x = 111,304.30

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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.