Home / 143,341.02-214,982.66-136,227.80

Finding the Fourth Proportional to 143,341.02, 214,982.66 and 136,227.80

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Solution

The fourth proportional to 143,341.02, 214,982.66 and 136,227.80 is: 204,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,341.02 : 214,982.66 = 136,227.80 : x
  2. Step 2: Convert to fraction form
    143,341.02/214,982.66 = 136,227.80/x
  3. Step 3: Cross multiply
    143,341.02x = 214,982.66 × 136,227.80
  4. Step 4: Simplify right side
    143,341.02x = 29,286,614,809.95
  5. Step 5: Solve for x
    x = 29,286,614,809.95/143,341.02
  6. Step 6: Final answer
    x = 204,314.26

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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.