Home / 258,351.48-356,529.33-142,069.86

Finding the Fourth Proportional to 258,351.48, 356,529.33 and 142,069.86

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Solution

The fourth proportional to 258,351.48, 356,529.33 and 142,069.86 is: 196,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,351.48 : 356,529.33 = 142,069.86 : x
  2. Step 2: Convert to fraction form
    258,351.48/356,529.33 = 142,069.86/x
  3. Step 3: Cross multiply
    258,351.48x = 356,529.33 × 142,069.86
  4. Step 4: Simplify right side
    258,351.48x = 50,652,071,998.99
  5. Step 5: Solve for x
    x = 50,652,071,998.99/258,351.48
  6. Step 6: Final answer
    x = 196,058.76

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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.