Home / 143,305.31-214,957.70-38,124.29

Finding the Fourth Proportional to 143,305.31, 214,957.70 and 38,124.29

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Solution

The fourth proportional to 143,305.31, 214,957.70 and 38,124.29 is: 57,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,305.31 : 214,957.70 = 38,124.29 : x
  2. Step 2: Convert to fraction form
    143,305.31/214,957.70 = 38,124.29/x
  3. Step 3: Cross multiply
    143,305.31x = 214,957.70 × 38,124.29
  4. Step 4: Simplify right side
    143,305.31x = 8,195,108,427.12
  5. Step 5: Solve for x
    x = 8,195,108,427.12/143,305.31
  6. Step 6: Final answer
    x = 57,186.36

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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.