Home / 154,309.39-231,440.70-41,998.36

Finding the Fourth Proportional to 154,309.39, 231,440.70 and 41,998.36

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Solution

The fourth proportional to 154,309.39, 231,440.70 and 41,998.36 is: 62,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,309.39 : 231,440.70 = 41,998.36 : x
  2. Step 2: Convert to fraction form
    154,309.39/231,440.70 = 41,998.36/x
  3. Step 3: Cross multiply
    154,309.39x = 231,440.70 × 41,998.36
  4. Step 4: Simplify right side
    154,309.39x = 9,720,129,613.85
  5. Step 5: Solve for x
    x = 9,720,129,613.85/154,309.39
  6. Step 6: Final answer
    x = 62,991.17

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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.