Home / 250,401.73-345,554.69-135,680.29

Finding the Fourth Proportional to 250,401.73, 345,554.69 and 135,680.29

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Solution

The fourth proportional to 250,401.73, 345,554.69 and 135,680.29 is: 187,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,401.73 : 345,554.69 = 135,680.29 : x
  2. Step 2: Convert to fraction form
    250,401.73/345,554.69 = 135,680.29/x
  3. Step 3: Cross multiply
    250,401.73x = 345,554.69 × 135,680.29
  4. Step 4: Simplify right side
    250,401.73x = 46,884,960,550.06
  5. Step 5: Solve for x
    x = 46,884,960,550.06/250,401.73
  6. Step 6: Final answer
    x = 187,238.96

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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.