Home / 109,937.72-151,717.38-62,190.14

Finding the Fourth Proportional to 109,937.72, 151,717.38 and 62,190.14

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Solution

The fourth proportional to 109,937.72, 151,717.38 and 62,190.14 is: 85,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,937.72 : 151,717.38 = 62,190.14 : x
  2. Step 2: Convert to fraction form
    109,937.72/151,717.38 = 62,190.14/x
  3. Step 3: Cross multiply
    109,937.72x = 151,717.38 × 62,190.14
  4. Step 4: Simplify right side
    109,937.72x = 9,435,325,102.63
  5. Step 5: Solve for x
    x = 9,435,325,102.63/109,937.72
  6. Step 6: Final answer
    x = 85,824.27

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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.