Home / 165,427.80-228,342.30-93,855.40

Finding the Fourth Proportional to 165,427.80, 228,342.30 and 93,855.40

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Solution

The fourth proportional to 165,427.80, 228,342.30 and 93,855.40 is: 129,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,427.80 : 228,342.30 = 93,855.40 : x
  2. Step 2: Convert to fraction form
    165,427.80/228,342.30 = 93,855.40/x
  3. Step 3: Cross multiply
    165,427.80x = 228,342.30 × 93,855.40
  4. Step 4: Simplify right side
    165,427.80x = 21,431,157,903.42
  5. Step 5: Solve for x
    x = 21,431,157,903.42/165,427.80
  6. Step 6: Final answer
    x = 129,549.92

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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.