Home / 142,247.66-213,505.41-72,177.26

Finding the Fourth Proportional to 142,247.66, 213,505.41 and 72,177.26

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Solution

The fourth proportional to 142,247.66, 213,505.41 and 72,177.26 is: 108,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,247.66 : 213,505.41 = 72,177.26 : x
  2. Step 2: Convert to fraction form
    142,247.66/213,505.41 = 72,177.26/x
  3. Step 3: Cross multiply
    142,247.66x = 213,505.41 × 72,177.26
  4. Step 4: Simplify right side
    142,247.66x = 15,410,235,488.98
  5. Step 5: Solve for x
    x = 15,410,235,488.98/142,247.66
  6. Step 6: Final answer
    x = 108,333.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.