Home / 109,301.34-151,523.70-103,314.42

Finding the Fourth Proportional to 109,301.34, 151,523.70 and 103,314.42

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Solution

The fourth proportional to 109,301.34, 151,523.70 and 103,314.42 is: 143,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,301.34 : 151,523.70 = 103,314.42 : x
  2. Step 2: Convert to fraction form
    109,301.34/151,523.70 = 103,314.42/x
  3. Step 3: Cross multiply
    109,301.34x = 151,523.70 × 103,314.42
  4. Step 4: Simplify right side
    109,301.34x = 15,654,583,181.75
  5. Step 5: Solve for x
    x = 15,654,583,181.75/109,301.34
  6. Step 6: Final answer
    x = 143,224.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.