Home / 105,137.02-145,093.17-62,694.64

Finding the Fourth Proportional to 105,137.02, 145,093.17 and 62,694.64

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Solution

The fourth proportional to 105,137.02, 145,093.17 and 62,694.64 is: 86,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,137.02 : 145,093.17 = 62,694.64 : x
  2. Step 2: Convert to fraction form
    105,137.02/145,093.17 = 62,694.64/x
  3. Step 3: Cross multiply
    105,137.02x = 145,093.17 × 62,694.64
  4. Step 4: Simplify right side
    105,137.02x = 9,096,564,059.61
  5. Step 5: Solve for x
    x = 9,096,564,059.61/105,137.02
  6. Step 6: Final answer
    x = 86,521.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.