Home / 149,582-206,427.03-81,600.10

Finding the Fourth Proportional to 149,582, 206,427.03 and 81,600.10

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Solution

The fourth proportional to 149,582, 206,427.03 and 81,600.10 is: 112,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,582 : 206,427.03 = 81,600.10 : x
  2. Step 2: Convert to fraction form
    149,582/206,427.03 = 81,600.10/x
  3. Step 3: Cross multiply
    149,582x = 206,427.03 × 81,600.10
  4. Step 4: Simplify right side
    149,582x = 16,844,466,290.70
  5. Step 5: Solve for x
    x = 16,844,466,290.70/149,582
  6. Step 6: Final answer
    x = 112,610.25

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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.