Home / 199,137.24-299,046.78-133,002.36

Finding the Fourth Proportional to 199,137.24, 299,046.78 and 133,002.36

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Solution

The fourth proportional to 199,137.24, 299,046.78 and 133,002.36 is: 199,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,137.24 : 299,046.78 = 133,002.36 : x
  2. Step 2: Convert to fraction form
    199,137.24/299,046.78 = 133,002.36/x
  3. Step 3: Cross multiply
    199,137.24x = 299,046.78 × 133,002.36
  4. Step 4: Simplify right side
    199,137.24x = 39,773,927,490.40
  5. Step 5: Solve for x
    x = 39,773,927,490.40/199,137.24
  6. Step 6: Final answer
    x = 199,731.24

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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.