Home / 220,672.11-304,549.94-130,057.28

Finding the Fourth Proportional to 220,672.11, 304,549.94 and 130,057.28

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Solution

The fourth proportional to 220,672.11, 304,549.94 and 130,057.28 is: 179,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,672.11 : 304,549.94 = 130,057.28 : x
  2. Step 2: Convert to fraction form
    220,672.11/304,549.94 = 130,057.28/x
  3. Step 3: Cross multiply
    220,672.11x = 304,549.94 × 130,057.28
  4. Step 4: Simplify right side
    220,672.11x = 39,608,934,647.53
  5. Step 5: Solve for x
    x = 39,608,934,647.53/220,672.11
  6. Step 6: Final answer
    x = 179,492.26

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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.