Home / 172,612.18-258,950.94-67,424.50

Finding the Fourth Proportional to 172,612.18, 258,950.94 and 67,424.50

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Solution

The fourth proportional to 172,612.18, 258,950.94 and 67,424.50 is: 101,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,612.18 : 258,950.94 = 67,424.50 : x
  2. Step 2: Convert to fraction form
    172,612.18/258,950.94 = 67,424.50/x
  3. Step 3: Cross multiply
    172,612.18x = 258,950.94 × 67,424.50
  4. Step 4: Simplify right side
    172,612.18x = 17,459,637,654.03
  5. Step 5: Solve for x
    x = 17,459,637,654.03/172,612.18
  6. Step 6: Final answer
    x = 101,149.51

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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.