Home / 251,927.10-377,882.55-83,455.20

Finding the Fourth Proportional to 251,927.10, 377,882.55 and 83,455.20

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Solution

The fourth proportional to 251,927.10, 377,882.55 and 83,455.20 is: 125,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,927.10 : 377,882.55 = 83,455.20 : x
  2. Step 2: Convert to fraction form
    251,927.10/377,882.55 = 83,455.20/x
  3. Step 3: Cross multiply
    251,927.10x = 377,882.55 × 83,455.20
  4. Step 4: Simplify right side
    251,927.10x = 31,536,263,786.76
  5. Step 5: Solve for x
    x = 31,536,263,786.76/251,927.10
  6. Step 6: Final answer
    x = 125,180.12

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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.