Home / 133,029.18-183,431.43-108,754.38

Finding the Fourth Proportional to 133,029.18, 183,431.43 and 108,754.38

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Solution

The fourth proportional to 133,029.18, 183,431.43 and 108,754.38 is: 149,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.18 : 183,431.43 = 108,754.38 : x
  2. Step 2: Convert to fraction form
    133,029.18/183,431.43 = 108,754.38/x
  3. Step 3: Cross multiply
    133,029.18x = 183,431.43 × 108,754.38
  4. Step 4: Simplify right side
    133,029.18x = 19,948,971,442.16
  5. Step 5: Solve for x
    x = 19,948,971,442.16/133,029.18
  6. Step 6: Final answer
    x = 149,959.37

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1.5x scale

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.