Home / 199,625.10-299,437.65-187,815.30

Finding the Fourth Proportional to 199,625.10, 299,437.65 and 187,815.30

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Solution

The fourth proportional to 199,625.10, 299,437.65 and 187,815.30 is: 281,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,625.10 : 299,437.65 = 187,815.30 : x
  2. Step 2: Convert to fraction form
    199,625.10/299,437.65 = 187,815.30/x
  3. Step 3: Cross multiply
    199,625.10x = 299,437.65 × 187,815.30
  4. Step 4: Simplify right side
    199,625.10x = 56,238,972,066.05
  5. Step 5: Solve for x
    x = 56,238,972,066.05/199,625.10
  6. Step 6: Final answer
    x = 281,722.95

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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.