Home / 250,401.92-345,554.95-135,680.47

Finding the Fourth Proportional to 250,401.92, 345,554.95 and 135,680.47

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Solution

The fourth proportional to 250,401.92, 345,554.95 and 135,680.47 is: 187,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,401.92 : 345,554.95 = 135,680.47 : x
  2. Step 2: Convert to fraction form
    250,401.92/345,554.95 = 135,680.47/x
  3. Step 3: Cross multiply
    250,401.92x = 345,554.95 × 135,680.47
  4. Step 4: Simplify right side
    250,401.92x = 46,885,058,026.83
  5. Step 5: Solve for x
    x = 46,885,058,026.83/250,401.92
  6. Step 6: Final answer
    x = 187,239.22

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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.