Home / 165,261.60-228,060.36-93,655.32

Finding the Fourth Proportional to 165,261.60, 228,060.36 and 93,655.32

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Solution

The fourth proportional to 165,261.60, 228,060.36 and 93,655.32 is: 129,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,261.60 : 228,060.36 = 93,655.32 : x
  2. Step 2: Convert to fraction form
    165,261.60/228,060.36 = 93,655.32/x
  3. Step 3: Cross multiply
    165,261.60x = 228,060.36 × 93,655.32
  4. Step 4: Simplify right side
    165,261.60x = 21,359,065,995.12
  5. Step 5: Solve for x
    x = 21,359,065,995.12/165,261.60
  6. Step 6: Final answer
    x = 129,243.97

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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.