Home / 143,918.52-215,877.77-38,734.75

Finding the Fourth Proportional to 143,918.52, 215,877.77 and 38,734.75

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Solution

The fourth proportional to 143,918.52, 215,877.77 and 38,734.75 is: 58,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,918.52 : 215,877.77 = 38,734.75 : x
  2. Step 2: Convert to fraction form
    143,918.52/215,877.77 = 38,734.75/x
  3. Step 3: Cross multiply
    143,918.52x = 215,877.77 × 38,734.75
  4. Step 4: Simplify right side
    143,918.52x = 8,361,971,451.51
  5. Step 5: Solve for x
    x = 8,361,971,451.51/143,918.52
  6. Step 6: Final answer
    x = 58,102.12

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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.