Home / 142,227.38-213,269.65-47,424.01

Finding the Fourth Proportional to 142,227.38, 213,269.65 and 47,424.01

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Solution

The fourth proportional to 142,227.38, 213,269.65 and 47,424.01 is: 71,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,227.38 : 213,269.65 = 47,424.01 : x
  2. Step 2: Convert to fraction form
    142,227.38/213,269.65 = 47,424.01/x
  3. Step 3: Cross multiply
    142,227.38x = 213,269.65 × 47,424.01
  4. Step 4: Simplify right side
    142,227.38x = 10,114,101,540.40
  5. Step 5: Solve for x
    x = 10,114,101,540.40/142,227.38
  6. Step 6: Final answer
    x = 71,112.20

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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.