Home / 131,519.52-197,331.12-48,420

Finding the Fourth Proportional to 131,519.52, 197,331.12 and 48,420

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Solution

The fourth proportional to 131,519.52, 197,331.12 and 48,420 is: 72,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.52 : 197,331.12 = 48,420 : x
  2. Step 2: Convert to fraction form
    131,519.52/197,331.12 = 48,420/x
  3. Step 3: Cross multiply
    131,519.52x = 197,331.12 × 48,420
  4. Step 4: Simplify right side
    131,519.52x = 9,554,772,830.40
  5. Step 5: Solve for x
    x = 9,554,772,830.40/131,519.52
  6. Step 6: Final answer
    x = 72,649.09

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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.