Home / 143,241.88-214,862.85-53,272.83

Finding the Fourth Proportional to 143,241.88, 214,862.85 and 53,272.83

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Solution

The fourth proportional to 143,241.88, 214,862.85 and 53,272.83 is: 79,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,241.88 : 214,862.85 = 53,272.83 : x
  2. Step 2: Convert to fraction form
    143,241.88/214,862.85 = 53,272.83/x
  3. Step 3: Cross multiply
    143,241.88x = 214,862.85 × 53,272.83
  4. Step 4: Simplify right side
    143,241.88x = 11,446,352,618.52
  5. Step 5: Solve for x
    x = 11,446,352,618.52/143,241.88
  6. Step 6: Final answer
    x = 79,909.26

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1.5x scale

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.