Home / 68,092.48-102,155.12-21,345.36

Finding the Fourth Proportional to 68,092.48, 102,155.12 and 21,345.36

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Solution

The fourth proportional to 68,092.48, 102,155.12 and 21,345.36 is: 32,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092.48 : 102,155.12 = 21,345.36 : x
  2. Step 2: Convert to fraction form
    68,092.48/102,155.12 = 21,345.36/x
  3. Step 3: Cross multiply
    68,092.48x = 102,155.12 × 21,345.36
  4. Step 4: Simplify right side
    68,092.48x = 2,180,537,812.24
  5. Step 5: Solve for x
    x = 2,180,537,812.24/68,092.48
  6. Step 6: Final answer
    x = 32,023.18

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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.