Home / 258,131.21-356,225.54-150,705.77

Finding the Fourth Proportional to 258,131.21, 356,225.54 and 150,705.77

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Solution

The fourth proportional to 258,131.21, 356,225.54 and 150,705.77 is: 207,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,131.21 : 356,225.54 = 150,705.77 : x
  2. Step 2: Convert to fraction form
    258,131.21/356,225.54 = 150,705.77/x
  3. Step 3: Cross multiply
    258,131.21x = 356,225.54 × 150,705.77
  4. Step 4: Simplify right side
    258,131.21x = 53,685,241,764.71
  5. Step 5: Solve for x
    x = 53,685,241,764.71/258,131.21
  6. Step 6: Final answer
    x = 207,976.57

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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.