Home / 101,522.05-140,098.36-56,200

Finding the Fourth Proportional to 101,522.05, 140,098.36 and 56,200

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Solution

The fourth proportional to 101,522.05, 140,098.36 and 56,200 is: 77,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522.05 : 140,098.36 = 56,200 : x
  2. Step 2: Convert to fraction form
    101,522.05/140,098.36 = 56,200/x
  3. Step 3: Cross multiply
    101,522.05x = 140,098.36 × 56,200
  4. Step 4: Simplify right side
    101,522.05x = 7,873,527,832.00
  5. Step 5: Solve for x
    x = 7,873,527,832.00/101,522.05
  6. Step 6: Final answer
    x = 77,554.85

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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.