Home / 143,022.60-214,342.83-75,416.76

Finding the Fourth Proportional to 143,022.60, 214,342.83 and 75,416.76

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Solution

The fourth proportional to 143,022.60, 214,342.83 and 75,416.76 is: 113,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,022.60 : 214,342.83 = 75,416.76 : x
  2. Step 2: Convert to fraction form
    143,022.60/214,342.83 = 75,416.76/x
  3. Step 3: Cross multiply
    143,022.60x = 214,342.83 × 75,416.76
  4. Step 4: Simplify right side
    143,022.60x = 16,165,041,767.83
  5. Step 5: Solve for x
    x = 16,165,041,767.83/143,022.60
  6. Step 6: Final answer
    x = 113,024.39

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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.