Home / 228,104.39-314,771.36-126,123.72

Finding the Fourth Proportional to 228,104.39, 314,771.36 and 126,123.72

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Solution

The fourth proportional to 228,104.39, 314,771.36 and 126,123.72 is: 174,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,104.39 : 314,771.36 = 126,123.72 : x
  2. Step 2: Convert to fraction form
    228,104.39/314,771.36 = 126,123.72/x
  3. Step 3: Cross multiply
    228,104.39x = 314,771.36 × 126,123.72
  4. Step 4: Simplify right side
    228,104.39x = 39,700,134,242.04
  5. Step 5: Solve for x
    x = 39,700,134,242.04/228,104.39
  6. Step 6: Final answer
    x = 174,043.71

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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.