Home / 101,534.04-140,097.06-63,786.42

Finding the Fourth Proportional to 101,534.04, 140,097.06 and 63,786.42

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Solution

The fourth proportional to 101,534.04, 140,097.06 and 63,786.42 is: 88,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,534.04 : 140,097.06 = 63,786.42 : x
  2. Step 2: Convert to fraction form
    101,534.04/140,097.06 = 63,786.42/x
  3. Step 3: Cross multiply
    101,534.04x = 140,097.06 × 63,786.42
  4. Step 4: Simplify right side
    101,534.04x = 8,936,289,909.93
  5. Step 5: Solve for x
    x = 8,936,289,909.93/101,534.04
  6. Step 6: Final answer
    x = 88,012.75

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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.