Home / 122,795.28-169,467.30-69,077.10

Finding the Fourth Proportional to 122,795.28, 169,467.30 and 69,077.10

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Solution

The fourth proportional to 122,795.28, 169,467.30 and 69,077.10 is: 95,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,795.28 : 169,467.30 = 69,077.10 : x
  2. Step 2: Convert to fraction form
    122,795.28/169,467.30 = 69,077.10/x
  3. Step 3: Cross multiply
    122,795.28x = 169,467.30 × 69,077.10
  4. Step 4: Simplify right side
    122,795.28x = 11,706,309,628.83
  5. Step 5: Solve for x
    x = 11,706,309,628.83/122,795.28
  6. Step 6: Final answer
    x = 95,331.92

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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.