Home / 165,377.71-228,314.75-126,542.32

Finding the Fourth Proportional to 165,377.71, 228,314.75 and 126,542.32

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Solution

The fourth proportional to 165,377.71, 228,314.75 and 126,542.32 is: 174,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,377.71 : 228,314.75 = 126,542.32 : x
  2. Step 2: Convert to fraction form
    165,377.71/228,314.75 = 126,542.32/x
  3. Step 3: Cross multiply
    165,377.71x = 228,314.75 × 126,542.32
  4. Step 4: Simplify right side
    165,377.71x = 28,891,477,522.51
  5. Step 5: Solve for x
    x = 28,891,477,522.51/165,377.71
  6. Step 6: Final answer
    x = 174,699.95

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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.