Home / 142,763.36-214,241.94-76,251.24

Finding the Fourth Proportional to 142,763.36, 214,241.94 and 76,251.24

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Solution

The fourth proportional to 142,763.36, 214,241.94 and 76,251.24 is: 114,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,763.36 : 214,241.94 = 76,251.24 : x
  2. Step 2: Convert to fraction form
    142,763.36/214,241.94 = 76,251.24/x
  3. Step 3: Cross multiply
    142,763.36x = 214,241.94 × 76,251.24
  4. Step 4: Simplify right side
    142,763.36x = 16,336,213,585.01
  5. Step 5: Solve for x
    x = 16,336,213,585.01/142,763.36
  6. Step 6: Final answer
    x = 114,428.62

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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.