Home / 165,389.94-228,331.62-126,554.76

Finding the Fourth Proportional to 165,389.94, 228,331.62 and 126,554.76

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Solution

The fourth proportional to 165,389.94, 228,331.62 and 126,554.76 is: 174,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,389.94 : 228,331.62 = 126,554.76 : x
  2. Step 2: Convert to fraction form
    165,389.94/228,331.62 = 126,554.76/x
  3. Step 3: Cross multiply
    165,389.94x = 228,331.62 × 126,554.76
  4. Step 4: Simplify right side
    165,389.94x = 28,896,453,369.51
  5. Step 5: Solve for x
    x = 28,896,453,369.51/165,389.94
  6. Step 6: Final answer
    x = 174,717.12

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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.