Home / 172,746.88-258,535-106,229.12

Finding the Fourth Proportional to 172,746.88, 258,535 and 106,229.12

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Solution

The fourth proportional to 172,746.88, 258,535 and 106,229.12 is: 158,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,746.88 : 258,535 = 106,229.12 : x
  2. Step 2: Convert to fraction form
    172,746.88/258,535 = 106,229.12/x
  3. Step 3: Cross multiply
    172,746.88x = 258,535 × 106,229.12
  4. Step 4: Simplify right side
    172,746.88x = 27,463,945,539.20
  5. Step 5: Solve for x
    x = 27,463,945,539.20/172,746.88
  6. Step 6: Final answer
    x = 158,983.74

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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.