Home / 143,726.88-215,573.81-38,537.58

Finding the Fourth Proportional to 143,726.88, 215,573.81 and 38,537.58

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Solution

The fourth proportional to 143,726.88, 215,573.81 and 38,537.58 is: 57,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.88 : 215,573.81 = 38,537.58 : x
  2. Step 2: Convert to fraction form
    143,726.88/215,573.81 = 38,537.58/x
  3. Step 3: Cross multiply
    143,726.88x = 215,573.81 × 38,537.58
  4. Step 4: Simplify right side
    143,726.88x = 8,307,692,756.09
  5. Step 5: Solve for x
    x = 8,307,692,756.09/143,726.88
  6. Step 6: Final answer
    x = 57,801.94

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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.