Home / 142,600.14-213,872.94-42,760.35

Finding the Fourth Proportional to 142,600.14, 213,872.94 and 42,760.35

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Solution

The fourth proportional to 142,600.14, 213,872.94 and 42,760.35 is: 64,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600.14 : 213,872.94 = 42,760.35 : x
  2. Step 2: Convert to fraction form
    142,600.14/213,872.94 = 42,760.35/x
  3. Step 3: Cross multiply
    142,600.14x = 213,872.94 × 42,760.35
  4. Step 4: Simplify right side
    142,600.14x = 9,145,281,769.93
  5. Step 5: Solve for x
    x = 9,145,281,769.93/142,600.14
  6. Step 6: Final answer
    x = 64,132.35

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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.