Home / 172,125.67-258,232.31-101,108.36

Finding the Fourth Proportional to 172,125.67, 258,232.31 and 101,108.36

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Solution

The fourth proportional to 172,125.67, 258,232.31 and 101,108.36 is: 151,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,125.67 : 258,232.31 = 101,108.36 : x
  2. Step 2: Convert to fraction form
    172,125.67/258,232.31 = 101,108.36/x
  3. Step 3: Cross multiply
    172,125.67x = 258,232.31 × 101,108.36
  4. Step 4: Simplify right side
    172,125.67x = 26,109,445,363.11
  5. Step 5: Solve for x
    x = 26,109,445,363.11/172,125.67
  6. Step 6: Final answer
    x = 151,688.27

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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.