Home / 143,131.48-214,370.21-68,304.17

Finding the Fourth Proportional to 143,131.48, 214,370.21 and 68,304.17

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Solution

The fourth proportional to 143,131.48, 214,370.21 and 68,304.17 is: 102,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,131.48 : 214,370.21 = 68,304.17 : x
  2. Step 2: Convert to fraction form
    143,131.48/214,370.21 = 68,304.17/x
  3. Step 3: Cross multiply
    143,131.48x = 214,370.21 × 68,304.17
  4. Step 4: Simplify right side
    143,131.48x = 14,642,377,853.40
  5. Step 5: Solve for x
    x = 14,642,377,853.40/143,131.48
  6. Step 6: Final answer
    x = 102,300.20

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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.