Home / 68,092.76-102,155.54-21,345.63

Finding the Fourth Proportional to 68,092.76, 102,155.54 and 21,345.63

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Solution

The fourth proportional to 68,092.76, 102,155.54 and 21,345.63 is: 32,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092.76 : 102,155.54 = 21,345.63 : x
  2. Step 2: Convert to fraction form
    68,092.76/102,155.54 = 21,345.63/x
  3. Step 3: Cross multiply
    68,092.76x = 102,155.54 × 21,345.63
  4. Step 4: Simplify right side
    68,092.76x = 2,180,574,252.56
  5. Step 5: Solve for x
    x = 2,180,574,252.56/68,092.76
  6. Step 6: Final answer
    x = 32,023.59

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1.5x scale

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.