Home / 142,923.46-197,220.14-82,513.60

Finding the Fourth Proportional to 142,923.46, 197,220.14 and 82,513.60

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Solution

The fourth proportional to 142,923.46, 197,220.14 and 82,513.60 is: 113,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.46 : 197,220.14 = 82,513.60 : x
  2. Step 2: Convert to fraction form
    142,923.46/197,220.14 = 82,513.60/x
  3. Step 3: Cross multiply
    142,923.46x = 197,220.14 × 82,513.60
  4. Step 4: Simplify right side
    142,923.46x = 16,273,343,743.90
  5. Step 5: Solve for x
    x = 16,273,343,743.90/142,923.46
  6. Step 6: Final answer
    x = 113,860.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.