Home / 73,141.51-109,701.03-23,215.12

Finding the Fourth Proportional to 73,141.51, 109,701.03 and 23,215.12

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Solution

The fourth proportional to 73,141.51, 109,701.03 and 23,215.12 is: 34,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.51 : 109,701.03 = 23,215.12 : x
  2. Step 2: Convert to fraction form
    73,141.51/109,701.03 = 23,215.12/x
  3. Step 3: Cross multiply
    73,141.51x = 109,701.03 × 23,215.12
  4. Step 4: Simplify right side
    73,141.51x = 2,546,722,575.57
  5. Step 5: Solve for x
    x = 2,546,722,575.57/73,141.51
  6. Step 6: Final answer
    x = 34,819.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.