Home / 142,042.41-213,083.87-47,241.36

Finding the Fourth Proportional to 142,042.41, 213,083.87 and 47,241.36

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Solution

The fourth proportional to 142,042.41, 213,083.87 and 47,241.36 is: 70,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,042.41 : 213,083.87 = 47,241.36 : x
  2. Step 2: Convert to fraction form
    142,042.41/213,083.87 = 47,241.36/x
  3. Step 3: Cross multiply
    142,042.41x = 213,083.87 × 47,241.36
  4. Step 4: Simplify right side
    142,042.41x = 10,066,371,576.66
  5. Step 5: Solve for x
    x = 10,066,371,576.66/142,042.41
  6. Step 6: Final answer
    x = 70,868.77

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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.