Home / 201,943.02-302,940.72-68,787.66

Finding the Fourth Proportional to 201,943.02, 302,940.72 and 68,787.66

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Solution

The fourth proportional to 201,943.02, 302,940.72 and 68,787.66 is: 103,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,943.02 : 302,940.72 = 68,787.66 : x
  2. Step 2: Convert to fraction form
    201,943.02/302,940.72 = 68,787.66/x
  3. Step 3: Cross multiply
    201,943.02x = 302,940.72 × 68,787.66
  4. Step 4: Simplify right side
    201,943.02x = 20,838,583,247.52
  5. Step 5: Solve for x
    x = 20,838,583,247.52/201,943.02
  6. Step 6: Final answer
    x = 103,190.41

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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.