Home / 122,905.04-169,606.48-69,188.88

Finding the Fourth Proportional to 122,905.04, 169,606.48 and 69,188.88

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Solution

The fourth proportional to 122,905.04, 169,606.48 and 69,188.88 is: 95,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,905.04 : 169,606.48 = 69,188.88 : x
  2. Step 2: Convert to fraction form
    122,905.04/169,606.48 = 69,188.88/x
  3. Step 3: Cross multiply
    122,905.04x = 169,606.48 × 69,188.88
  4. Step 4: Simplify right side
    122,905.04x = 11,734,882,391.94
  5. Step 5: Solve for x
    x = 11,734,882,391.94/122,905.04
  6. Step 6: Final answer
    x = 95,479.26

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1.5x scale

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.