Home / 258,006.24-356,057.61-143,286.81

Finding the Fourth Proportional to 258,006.24, 356,057.61 and 143,286.81

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Solution

The fourth proportional to 258,006.24, 356,057.61 and 143,286.81 is: 197,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,006.24 : 356,057.61 = 143,286.81 : x
  2. Step 2: Convert to fraction form
    258,006.24/356,057.61 = 143,286.81/x
  3. Step 3: Cross multiply
    258,006.24x = 356,057.61 × 143,286.81
  4. Step 4: Simplify right side
    258,006.24x = 51,018,359,113.12
  5. Step 5: Solve for x
    x = 51,018,359,113.12/258,006.24
  6. Step 6: Final answer
    x = 197,740.80

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1.5x scale

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.