Home / 122,787.86-169,419.20-69,053.27

Finding the Fourth Proportional to 122,787.86, 169,419.20 and 69,053.27

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Solution

The fourth proportional to 122,787.86, 169,419.20 and 69,053.27 is: 95,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,787.86 : 169,419.20 = 69,053.27 : x
  2. Step 2: Convert to fraction form
    122,787.86/169,419.20 = 69,053.27/x
  3. Step 3: Cross multiply
    122,787.86x = 169,419.20 × 69,053.27
  4. Step 4: Simplify right side
    122,787.86x = 11,698,949,760.78
  5. Step 5: Solve for x
    x = 11,698,949,760.78/122,787.86
  6. Step 6: Final answer
    x = 95,277.74

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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.