Home / 143,282.18-214,951.02-54,528.86

Finding the Fourth Proportional to 143,282.18, 214,951.02 and 54,528.86

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Solution

The fourth proportional to 143,282.18, 214,951.02 and 54,528.86 is: 81,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,282.18 : 214,951.02 = 54,528.86 : x
  2. Step 2: Convert to fraction form
    143,282.18/214,951.02 = 54,528.86/x
  3. Step 3: Cross multiply
    143,282.18x = 214,951.02 × 54,528.86
  4. Step 4: Simplify right side
    143,282.18x = 11,721,034,409.33
  5. Step 5: Solve for x
    x = 11,721,034,409.33/143,282.18
  6. Step 6: Final answer
    x = 81,803.85

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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.