Home / 165,611.70-228,545.01-90,160.74

Finding the Fourth Proportional to 165,611.70, 228,545.01 and 90,160.74

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Solution

The fourth proportional to 165,611.70, 228,545.01 and 90,160.74 is: 124,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,611.70 : 228,545.01 = 90,160.74 : x
  2. Step 2: Convert to fraction form
    165,611.70/228,545.01 = 90,160.74/x
  3. Step 3: Cross multiply
    165,611.70x = 228,545.01 × 90,160.74
  4. Step 4: Simplify right side
    165,611.70x = 20,605,787,224.91
  5. Step 5: Solve for x
    x = 20,605,787,224.91/165,611.70
  6. Step 6: Final answer
    x = 124,422.29

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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.