Home / 142,617.84-213,923.88-49,121.52

Finding the Fourth Proportional to 142,617.84, 213,923.88 and 49,121.52

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Solution

The fourth proportional to 142,617.84, 213,923.88 and 49,121.52 is: 73,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,617.84 : 213,923.88 = 49,121.52 : x
  2. Step 2: Convert to fraction form
    142,617.84/213,923.88 = 49,121.52/x
  3. Step 3: Cross multiply
    142,617.84x = 213,923.88 × 49,121.52
  4. Step 4: Simplify right side
    142,617.84x = 10,508,266,149.90
  5. Step 5: Solve for x
    x = 10,508,266,149.90/142,617.84
  6. Step 6: Final answer
    x = 73,681.29

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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.