Home / 131,997.52-197,980.20-38,503.36

Finding the Fourth Proportional to 131,997.52, 197,980.20 and 38,503.36

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Solution

The fourth proportional to 131,997.52, 197,980.20 and 38,503.36 is: 57,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,997.52 : 197,980.20 = 38,503.36 : x
  2. Step 2: Convert to fraction form
    131,997.52/197,980.20 = 38,503.36/x
  3. Step 3: Cross multiply
    131,997.52x = 197,980.20 × 38,503.36
  4. Step 4: Simplify right side
    131,997.52x = 7,622,902,913.47
  5. Step 5: Solve for x
    x = 7,622,902,913.47/131,997.52
  6. Step 6: Final answer
    x = 57,750.35

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1.5x scale

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.