Home / 122,831.58-169,505.60-69,116.56

Finding the Fourth Proportional to 122,831.58, 169,505.60 and 69,116.56

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Solution

The fourth proportional to 122,831.58, 169,505.60 and 69,116.56 is: 95,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,831.58 : 169,505.60 = 69,116.56 : x
  2. Step 2: Convert to fraction form
    122,831.58/169,505.60 = 69,116.56/x
  3. Step 3: Cross multiply
    122,831.58x = 169,505.60 × 69,116.56
  4. Step 4: Simplify right side
    122,831.58x = 11,715,643,972.74
  5. Step 5: Solve for x
    x = 11,715,643,972.74/122,831.58
  6. Step 6: Final answer
    x = 95,379.74

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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.