Home / 142,261.11-213,320.59-47,458.31

Finding the Fourth Proportional to 142,261.11, 213,320.59 and 47,458.31

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Solution

The fourth proportional to 142,261.11, 213,320.59 and 47,458.31 is: 71,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261.11 : 213,320.59 = 47,458.31 : x
  2. Step 2: Convert to fraction form
    142,261.11/213,320.59 = 47,458.31/x
  3. Step 3: Cross multiply
    142,261.11x = 213,320.59 × 47,458.31
  4. Step 4: Simplify right side
    142,261.11x = 10,123,833,504.35
  5. Step 5: Solve for x
    x = 10,123,833,504.35/142,261.11
  6. Step 6: Final answer
    x = 71,163.75

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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.