Home / 143,572.32-215,392.56-48,808.80

Finding the Fourth Proportional to 143,572.32, 215,392.56 and 48,808.80

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Solution

The fourth proportional to 143,572.32, 215,392.56 and 48,808.80 is: 73,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,572.32 : 215,392.56 = 48,808.80 : x
  2. Step 2: Convert to fraction form
    143,572.32/215,392.56 = 48,808.80/x
  3. Step 3: Cross multiply
    143,572.32x = 215,392.56 × 48,808.80
  4. Step 4: Simplify right side
    143,572.32x = 10,513,052,382.53
  5. Step 5: Solve for x
    x = 10,513,052,382.53/143,572.32
  6. Step 6: Final answer
    x = 73,224.79

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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.