Home / 143,025.80-214,471.96-53,064.92

Finding the Fourth Proportional to 143,025.80, 214,471.96 and 53,064.92

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Solution

The fourth proportional to 143,025.80, 214,471.96 and 53,064.92 is: 79,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,025.80 : 214,471.96 = 53,064.92 : x
  2. Step 2: Convert to fraction form
    143,025.80/214,471.96 = 53,064.92/x
  3. Step 3: Cross multiply
    143,025.80x = 214,471.96 × 53,064.92
  4. Step 4: Simplify right side
    143,025.80x = 11,380,937,399.64
  5. Step 5: Solve for x
    x = 11,380,937,399.64/143,025.80
  6. Step 6: Final answer
    x = 79,572.62

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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.