Home / 199,272.84-298,963.94-99,312.36

Finding the Fourth Proportional to 199,272.84, 298,963.94 and 99,312.36

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Solution

The fourth proportional to 199,272.84, 298,963.94 and 99,312.36 is: 148,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272.84 : 298,963.94 = 99,312.36 : x
  2. Step 2: Convert to fraction form
    199,272.84/298,963.94 = 99,312.36/x
  3. Step 3: Cross multiply
    199,272.84x = 298,963.94 × 99,312.36
  4. Step 4: Simplify right side
    199,272.84x = 29,690,813,939.74
  5. Step 5: Solve for x
    x = 29,690,813,939.74/199,272.84
  6. Step 6: Final answer
    x = 148,995.79

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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.