Home / 131,420.17-197,136.74-36,650.17

Finding the Fourth Proportional to 131,420.17, 197,136.74 and 36,650.17

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Solution

The fourth proportional to 131,420.17, 197,136.74 and 36,650.17 is: 54,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,420.17 : 197,136.74 = 36,650.17 : x
  2. Step 2: Convert to fraction form
    131,420.17/197,136.74 = 36,650.17/x
  3. Step 3: Cross multiply
    131,420.17x = 197,136.74 × 36,650.17
  4. Step 4: Simplify right side
    131,420.17x = 7,225,094,850.99
  5. Step 5: Solve for x
    x = 7,225,094,850.99/131,420.17
  6. Step 6: Final answer
    x = 54,977.06

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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.