Home / 203,118.39-280,301.43-117,045.75

Finding the Fourth Proportional to 203,118.39, 280,301.43 and 117,045.75

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Solution

The fourth proportional to 203,118.39, 280,301.43 and 117,045.75 is: 161,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,118.39 : 280,301.43 = 117,045.75 : x
  2. Step 2: Convert to fraction form
    203,118.39/280,301.43 = 117,045.75/x
  3. Step 3: Cross multiply
    203,118.39x = 280,301.43 × 117,045.75
  4. Step 4: Simplify right side
    203,118.39x = 32,808,091,100.42
  5. Step 5: Solve for x
    x = 32,808,091,100.42/203,118.39
  6. Step 6: Final answer
    x = 161,522.01

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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.