Home / 101,623.60-140,238.68-56,301.44

Finding the Fourth Proportional to 101,623.60, 140,238.68 and 56,301.44

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Solution

The fourth proportional to 101,623.60, 140,238.68 and 56,301.44 is: 77,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,623.60 : 140,238.68 = 56,301.44 : x
  2. Step 2: Convert to fraction form
    101,623.60/140,238.68 = 56,301.44/x
  3. Step 3: Cross multiply
    101,623.60x = 140,238.68 × 56,301.44
  4. Step 4: Simplify right side
    101,623.60x = 7,895,639,627.70
  5. Step 5: Solve for x
    x = 7,895,639,627.70/101,623.60
  6. Step 6: Final answer
    x = 77,694.94

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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.