Home / 142,617.34-213,923.13-49,121.02

Finding the Fourth Proportional to 142,617.34, 213,923.13 and 49,121.02

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Solution

The fourth proportional to 142,617.34, 213,923.13 and 49,121.02 is: 73,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,617.34 : 213,923.13 = 49,121.02 : x
  2. Step 2: Convert to fraction form
    142,617.34/213,923.13 = 49,121.02/x
  3. Step 3: Cross multiply
    142,617.34x = 213,923.13 × 49,121.02
  4. Step 4: Simplify right side
    142,617.34x = 10,508,122,347.19
  5. Step 5: Solve for x
    x = 10,508,122,347.19/142,617.34
  6. Step 6: Final answer
    x = 73,680.54

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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.