Home / 162,081.60-223,427.52-126,208.32

Finding the Fourth Proportional to 162,081.60, 223,427.52 and 126,208.32

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Solution

The fourth proportional to 162,081.60, 223,427.52 and 126,208.32 is: 173,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,081.60 : 223,427.52 = 126,208.32 : x
  2. Step 2: Convert to fraction form
    162,081.60/223,427.52 = 126,208.32/x
  3. Step 3: Cross multiply
    162,081.60x = 223,427.52 × 126,208.32
  4. Step 4: Simplify right side
    162,081.60x = 28,198,411,940.97
  5. Step 5: Solve for x
    x = 28,198,411,940.97/162,081.60
  6. Step 6: Final answer
    x = 173,976.64

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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.