Home / 102,087.02-153,137.82-27,206.78

Finding the Fourth Proportional to 102,087.02, 153,137.82 and 27,206.78

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Solution

The fourth proportional to 102,087.02, 153,137.82 and 27,206.78 is: 40,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,087.02 : 153,137.82 = 27,206.78 : x
  2. Step 2: Convert to fraction form
    102,087.02/153,137.82 = 27,206.78/x
  3. Step 3: Cross multiply
    102,087.02x = 153,137.82 × 27,206.78
  4. Step 4: Simplify right side
    102,087.02x = 4,166,386,212.73
  5. Step 5: Solve for x
    x = 4,166,386,212.73/102,087.02
  6. Step 6: Final answer
    x = 40,812.11

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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.