Home / 165,777.41-228,772.80-90,325.91

Finding the Fourth Proportional to 165,777.41, 228,772.80 and 90,325.91

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Solution

The fourth proportional to 165,777.41, 228,772.80 and 90,325.91 is: 124,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.41 : 228,772.80 = 90,325.91 : x
  2. Step 2: Convert to fraction form
    165,777.41/228,772.80 = 90,325.91/x
  3. Step 3: Cross multiply
    165,777.41x = 228,772.80 × 90,325.91
  4. Step 4: Simplify right side
    165,777.41x = 20,664,111,915.18
  5. Step 5: Solve for x
    x = 20,664,111,915.18/165,777.41
  6. Step 6: Final answer
    x = 124,649.74

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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.