Home / 143,866.33-215,723.40-63,869.51

Finding the Fourth Proportional to 143,866.33, 215,723.40 and 63,869.51

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Solution

The fourth proportional to 143,866.33, 215,723.40 and 63,869.51 is: 95,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,866.33 : 215,723.40 = 63,869.51 : x
  2. Step 2: Convert to fraction form
    143,866.33/215,723.40 = 63,869.51/x
  3. Step 3: Cross multiply
    143,866.33x = 215,723.40 × 63,869.51
  4. Step 4: Simplify right side
    143,866.33x = 13,778,148,512.60
  5. Step 5: Solve for x
    x = 13,778,148,512.60/143,866.33
  6. Step 6: Final answer
    x = 95,770.49

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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.