Home / 143,283.18-214,952.52-54,529.86

Finding the Fourth Proportional to 143,283.18, 214,952.52 and 54,529.86

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Solution

The fourth proportional to 143,283.18, 214,952.52 and 54,529.86 is: 81,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,283.18 : 214,952.52 = 54,529.86 : x
  2. Step 2: Convert to fraction form
    143,283.18/214,952.52 = 54,529.86/x
  3. Step 3: Cross multiply
    143,283.18x = 214,952.52 × 54,529.86
  4. Step 4: Simplify right side
    143,283.18x = 11,721,330,822.25
  5. Step 5: Solve for x
    x = 11,721,330,822.25/143,283.18
  6. Step 6: Final answer
    x = 81,805.35

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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.