Home / 143,077.16-214,531.50-54,336.98

Finding the Fourth Proportional to 143,077.16, 214,531.50 and 54,336.98

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Solution

The fourth proportional to 143,077.16, 214,531.50 and 54,336.98 is: 81,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,077.16 : 214,531.50 = 54,336.98 : x
  2. Step 2: Convert to fraction form
    143,077.16/214,531.50 = 54,336.98/x
  3. Step 3: Cross multiply
    143,077.16x = 214,531.50 × 54,336.98
  4. Step 4: Simplify right side
    143,077.16x = 11,656,993,824.87
  5. Step 5: Solve for x
    x = 11,656,993,824.87/143,077.16
  6. Step 6: Final answer
    x = 81,473.48

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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.