Home / 165,297.24-228,220.04-126,988.56

Finding the Fourth Proportional to 165,297.24, 228,220.04 and 126,988.56

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Solution

The fourth proportional to 165,297.24, 228,220.04 and 126,988.56 is: 175,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,297.24 : 228,220.04 = 126,988.56 : x
  2. Step 2: Convert to fraction form
    165,297.24/228,220.04 = 126,988.56/x
  3. Step 3: Cross multiply
    165,297.24x = 228,220.04 × 126,988.56
  4. Step 4: Simplify right side
    165,297.24x = 28,981,334,242.74
  5. Step 5: Solve for x
    x = 28,981,334,242.74/165,297.24
  6. Step 6: Final answer
    x = 175,328.60

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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.