Home / 142,932.52-214,247.52-48,072.40

Finding the Fourth Proportional to 142,932.52, 214,247.52 and 48,072.40

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Solution

The fourth proportional to 142,932.52, 214,247.52 and 48,072.40 is: 72,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,932.52 : 214,247.52 = 48,072.40 : x
  2. Step 2: Convert to fraction form
    142,932.52/214,247.52 = 48,072.40/x
  3. Step 3: Cross multiply
    142,932.52x = 214,247.52 × 48,072.40
  4. Step 4: Simplify right side
    142,932.52x = 10,299,392,480.45
  5. Step 5: Solve for x
    x = 10,299,392,480.45/142,932.52
  6. Step 6: Final answer
    x = 72,057.73

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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.