Home / 122,724.59-169,372.76-75,009.71

Finding the Fourth Proportional to 122,724.59, 169,372.76 and 75,009.71

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Solution

The fourth proportional to 122,724.59, 169,372.76 and 75,009.71 is: 103,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724.59 : 169,372.76 = 75,009.71 : x
  2. Step 2: Convert to fraction form
    122,724.59/169,372.76 = 75,009.71/x
  3. Step 3: Cross multiply
    122,724.59x = 169,372.76 × 75,009.71
  4. Step 4: Simplify right side
    122,724.59x = 12,704,601,657.88
  5. Step 5: Solve for x
    x = 12,704,601,657.88/122,724.59
  6. Step 6: Final answer
    x = 103,521.24

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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.