Home / 165,261.12-228,060.80-89,809.92

Finding the Fourth Proportional to 165,261.12, 228,060.80 and 89,809.92

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Solution

The fourth proportional to 165,261.12, 228,060.80 and 89,809.92 is: 123,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,261.12 : 228,060.80 = 89,809.92 : x
  2. Step 2: Convert to fraction form
    165,261.12/228,060.80 = 89,809.92/x
  3. Step 3: Cross multiply
    165,261.12x = 228,060.80 × 89,809.92
  4. Step 4: Simplify right side
    165,261.12x = 20,482,122,203.14
  5. Step 5: Solve for x
    x = 20,482,122,203.14/165,261.12
  6. Step 6: Final answer
    x = 123,937.94

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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.