Home / 142,983.48-214,335.80-68,083.52

Finding the Fourth Proportional to 142,983.48, 214,335.80 and 68,083.52

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Solution

The fourth proportional to 142,983.48, 214,335.80 and 68,083.52 is: 102,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,983.48 : 214,335.80 = 68,083.52 : x
  2. Step 2: Convert to fraction form
    142,983.48/214,335.80 = 68,083.52/x
  3. Step 3: Cross multiply
    142,983.48x = 214,335.80 × 68,083.52
  4. Step 4: Simplify right side
    142,983.48x = 14,592,735,726.02
  5. Step 5: Solve for x
    x = 14,592,735,726.02/142,983.48
  6. Step 6: Final answer
    x = 102,058.89

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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.