Home / 102,776.06-141,844.64-60,334.61

Finding the Fourth Proportional to 102,776.06, 141,844.64 and 60,334.61

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Solution

The fourth proportional to 102,776.06, 141,844.64 and 60,334.61 is: 83,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776.06 : 141,844.64 = 60,334.61 : x
  2. Step 2: Convert to fraction form
    102,776.06/141,844.64 = 60,334.61/x
  3. Step 3: Cross multiply
    102,776.06x = 141,844.64 × 60,334.61
  4. Step 4: Simplify right side
    102,776.06x = 8,558,140,024.09
  5. Step 5: Solve for x
    x = 8,558,140,024.09/102,776.06
  6. Step 6: Final answer
    x = 83,269.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.