Home / 143,726.63-215,573.43-38,537.33

Finding the Fourth Proportional to 143,726.63, 215,573.43 and 38,537.33

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Solution

The fourth proportional to 143,726.63, 215,573.43 and 38,537.33 is: 57,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.63 : 215,573.43 = 38,537.33 : x
  2. Step 2: Convert to fraction form
    143,726.63/215,573.43 = 38,537.33/x
  3. Step 3: Cross multiply
    143,726.63x = 215,573.43 × 38,537.33
  4. Step 4: Simplify right side
    143,726.63x = 8,307,624,411.14
  5. Step 5: Solve for x
    x = 8,307,624,411.14/143,726.63
  6. Step 6: Final answer
    x = 57,801.57

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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.