Home / 165,294.24-228,215.90-126,985.56

Finding the Fourth Proportional to 165,294.24, 228,215.90 and 126,985.56

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Solution

The fourth proportional to 165,294.24, 228,215.90 and 126,985.56 is: 175,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,294.24 : 228,215.90 = 126,985.56 : x
  2. Step 2: Convert to fraction form
    165,294.24/228,215.90 = 126,985.56/x
  3. Step 3: Cross multiply
    165,294.24x = 228,215.90 × 126,985.56
  4. Step 4: Simplify right side
    165,294.24x = 28,980,123,862.40
  5. Step 5: Solve for x
    x = 28,980,123,862.40/165,294.24
  6. Step 6: Final answer
    x = 175,324.46

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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.