Home / 165,487.28-228,373.44-90,036.32

Finding the Fourth Proportional to 165,487.28, 228,373.44 and 90,036.32

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Solution

The fourth proportional to 165,487.28, 228,373.44 and 90,036.32 is: 124,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,487.28 : 228,373.44 = 90,036.32 : x
  2. Step 2: Convert to fraction form
    165,487.28/228,373.44 = 90,036.32/x
  3. Step 3: Cross multiply
    165,487.28x = 228,373.44 × 90,036.32
  4. Step 4: Simplify right side
    165,487.28x = 20,561,904,123.34
  5. Step 5: Solve for x
    x = 20,561,904,123.34/165,487.28
  6. Step 6: Final answer
    x = 124,250.66

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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.