Home / 204,328.89-306,490.28-91,929.74

Finding the Fourth Proportional to 204,328.89, 306,490.28 and 91,929.74

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Solution

The fourth proportional to 204,328.89, 306,490.28 and 91,929.74 is: 137,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,328.89 : 306,490.28 = 91,929.74 : x
  2. Step 2: Convert to fraction form
    204,328.89/306,490.28 = 91,929.74/x
  3. Step 3: Cross multiply
    204,328.89x = 306,490.28 × 91,929.74
  4. Step 4: Simplify right side
    204,328.89x = 28,175,569,760.83
  5. Step 5: Solve for x
    x = 28,175,569,760.83/204,328.89
  6. Step 6: Final answer
    x = 137,893.23

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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.