Home / 143,333.20-214,999.80-136,444.15

Finding the Fourth Proportional to 143,333.20, 214,999.80 and 136,444.15

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Solution

The fourth proportional to 143,333.20, 214,999.80 and 136,444.15 is: 204,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,333.20 : 214,999.80 = 136,444.15 : x
  2. Step 2: Convert to fraction form
    143,333.20/214,999.80 = 136,444.15/x
  3. Step 3: Cross multiply
    143,333.20x = 214,999.80 × 136,444.15
  4. Step 4: Simplify right side
    143,333.20x = 29,335,464,961.17
  5. Step 5: Solve for x
    x = 29,335,464,961.17/143,333.20
  6. Step 6: Final answer
    x = 204,666.23

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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.