Home / 101,140.21-140,176.17-99,248.52

Finding the Fourth Proportional to 101,140.21, 140,176.17 and 99,248.52

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Solution

The fourth proportional to 101,140.21, 140,176.17 and 99,248.52 is: 137,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140.21 : 140,176.17 = 99,248.52 : x
  2. Step 2: Convert to fraction form
    101,140.21/140,176.17 = 99,248.52/x
  3. Step 3: Cross multiply
    101,140.21x = 140,176.17 × 99,248.52
  4. Step 4: Simplify right side
    101,140.21x = 13,912,277,937.43
  5. Step 5: Solve for x
    x = 13,912,277,937.43/101,140.21
  6. Step 6: Final answer
    x = 137,554.37

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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.