Home / 165,655.40-228,446.18-111,330.28

Finding the Fourth Proportional to 165,655.40, 228,446.18 and 111,330.28

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Solution

The fourth proportional to 165,655.40, 228,446.18 and 111,330.28 is: 153,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,655.40 : 228,446.18 = 111,330.28 : x
  2. Step 2: Convert to fraction form
    165,655.40/228,446.18 = 111,330.28/x
  3. Step 3: Cross multiply
    165,655.40x = 228,446.18 × 111,330.28
  4. Step 4: Simplify right side
    165,655.40x = 25,432,977,184.33
  5. Step 5: Solve for x
    x = 25,432,977,184.33/165,655.40
  6. Step 6: Final answer
    x = 153,529.42

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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.