Home / 175,018.31-262,461.78-138,014.27

Finding the Fourth Proportional to 175,018.31, 262,461.78 and 138,014.27

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Solution

The fourth proportional to 175,018.31, 262,461.78 and 138,014.27 is: 206,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,018.31 : 262,461.78 = 138,014.27 : x
  2. Step 2: Convert to fraction form
    175,018.31/262,461.78 = 138,014.27/x
  3. Step 3: Cross multiply
    175,018.31x = 262,461.78 × 138,014.27
  4. Step 4: Simplify right side
    175,018.31x = 36,223,469,657.29
  5. Step 5: Solve for x
    x = 36,223,469,657.29/175,018.31
  6. Step 6: Final answer
    x = 206,969.61

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1.5x scale

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.