Home / 143,319.70-214,979.55-36,703.45

Finding the Fourth Proportional to 143,319.70, 214,979.55 and 36,703.45

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Solution

The fourth proportional to 143,319.70, 214,979.55 and 36,703.45 is: 55,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,319.70 : 214,979.55 = 36,703.45 : x
  2. Step 2: Convert to fraction form
    143,319.70/214,979.55 = 36,703.45/x
  3. Step 3: Cross multiply
    143,319.70x = 214,979.55 × 36,703.45
  4. Step 4: Simplify right side
    143,319.70x = 7,890,491,164.45
  5. Step 5: Solve for x
    x = 7,890,491,164.45/143,319.70
  6. Step 6: Final answer
    x = 55,055.18

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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.