Home / 142,939.27-214,354.23-48,143.95

Finding the Fourth Proportional to 142,939.27, 214,354.23 and 48,143.95

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Solution

The fourth proportional to 142,939.27, 214,354.23 and 48,143.95 is: 72,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,939.27 : 214,354.23 = 48,143.95 : x
  2. Step 2: Convert to fraction form
    142,939.27/214,354.23 = 48,143.95/x
  3. Step 3: Cross multiply
    142,939.27x = 214,354.23 × 48,143.95
  4. Step 4: Simplify right side
    142,939.27x = 10,319,858,614.98
  5. Step 5: Solve for x
    x = 10,319,858,614.98/142,939.27
  6. Step 6: Final answer
    x = 72,197.50

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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.