Home / 101,747.43-140,412.62-56,425.95

Finding the Fourth Proportional to 101,747.43, 140,412.62 and 56,425.95

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Solution

The fourth proportional to 101,747.43, 140,412.62 and 56,425.95 is: 77,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.43 : 140,412.62 = 56,425.95 : x
  2. Step 2: Convert to fraction form
    101,747.43/140,412.62 = 56,425.95/x
  3. Step 3: Cross multiply
    101,747.43x = 140,412.62 × 56,425.95
  4. Step 4: Simplify right side
    101,747.43x = 7,922,915,616.55
  5. Step 5: Solve for x
    x = 7,922,915,616.55/101,747.43
  6. Step 6: Final answer
    x = 77,868.46

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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.