Home / 143,244.10-214,909.35-76,716.10

Finding the Fourth Proportional to 143,244.10, 214,909.35 and 76,716.10

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Solution

The fourth proportional to 143,244.10, 214,909.35 and 76,716.10 is: 115,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,244.10 : 214,909.35 = 76,716.10 : x
  2. Step 2: Convert to fraction form
    143,244.10/214,909.35 = 76,716.10/x
  3. Step 3: Cross multiply
    143,244.10x = 214,909.35 × 76,716.10
  4. Step 4: Simplify right side
    143,244.10x = 16,487,007,185.54
  5. Step 5: Solve for x
    x = 16,487,007,185.54/143,244.10
  6. Step 6: Final answer
    x = 115,097.29

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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.