Home / 177,384.10-266,108.55-72,213.70

Finding the Fourth Proportional to 177,384.10, 266,108.55 and 72,213.70

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Solution

The fourth proportional to 177,384.10, 266,108.55 and 72,213.70 is: 108,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,384.10 : 266,108.55 = 72,213.70 : x
  2. Step 2: Convert to fraction form
    177,384.10/266,108.55 = 72,213.70/x
  3. Step 3: Cross multiply
    177,384.10x = 266,108.55 × 72,213.70
  4. Step 4: Simplify right side
    177,384.10x = 19,216,682,997.14
  5. Step 5: Solve for x
    x = 19,216,682,997.14/177,384.10
  6. Step 6: Final answer
    x = 108,333.74

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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.