Home / 122,753.89-169,409.24-75,016.36

Finding the Fourth Proportional to 122,753.89, 169,409.24 and 75,016.36

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Solution

The fourth proportional to 122,753.89, 169,409.24 and 75,016.36 is: 103,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,753.89 : 169,409.24 = 75,016.36 : x
  2. Step 2: Convert to fraction form
    122,753.89/169,409.24 = 75,016.36/x
  3. Step 3: Cross multiply
    122,753.89x = 169,409.24 × 75,016.36
  4. Step 4: Simplify right side
    122,753.89x = 12,708,464,535.17
  5. Step 5: Solve for x
    x = 12,708,464,535.17/122,753.89
  6. Step 6: Final answer
    x = 103,528.00

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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.