Home / 147,742.62-203,885.19-80,674.62

Finding the Fourth Proportional to 147,742.62, 203,885.19 and 80,674.62

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Solution

The fourth proportional to 147,742.62, 203,885.19 and 80,674.62 is: 111,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,742.62 : 203,885.19 = 80,674.62 : x
  2. Step 2: Convert to fraction form
    147,742.62/203,885.19 = 80,674.62/x
  3. Step 3: Cross multiply
    147,742.62x = 203,885.19 × 80,674.62
  4. Step 4: Simplify right side
    147,742.62x = 16,448,360,226.88
  5. Step 5: Solve for x
    x = 16,448,360,226.88/147,742.62
  6. Step 6: Final answer
    x = 111,331.18

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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.