Home / 143,003.50-214,421.13-54,263.24

Finding the Fourth Proportional to 143,003.50, 214,421.13 and 54,263.24

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Solution

The fourth proportional to 143,003.50, 214,421.13 and 54,263.24 is: 81,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,003.50 : 214,421.13 = 54,263.24 : x
  2. Step 2: Convert to fraction form
    143,003.50/214,421.13 = 54,263.24/x
  3. Step 3: Cross multiply
    143,003.50x = 214,421.13 × 54,263.24
  4. Step 4: Simplify right side
    143,003.50x = 11,635,185,774.31
  5. Step 5: Solve for x
    x = 11,635,185,774.31/143,003.50
  6. Step 6: Final answer
    x = 81,362.95

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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.