Home / 96,998.48-145,521.96-77,083.28

Finding the Fourth Proportional to 96,998.48, 145,521.96 and 77,083.28

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Solution

The fourth proportional to 96,998.48, 145,521.96 and 77,083.28 is: 115,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.48 : 145,521.96 = 77,083.28 : x
  2. Step 2: Convert to fraction form
    96,998.48/145,521.96 = 77,083.28/x
  3. Step 3: Cross multiply
    96,998.48x = 145,521.96 × 77,083.28
  4. Step 4: Simplify right side
    96,998.48x = 11,217,309,988.83
  5. Step 5: Solve for x
    x = 11,217,309,988.83/96,998.48
  6. Step 6: Final answer
    x = 115,644.18

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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.