Home / 162,287.32-223,961.07-90,675.22

Finding the Fourth Proportional to 162,287.32, 223,961.07 and 90,675.22

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Solution

The fourth proportional to 162,287.32, 223,961.07 and 90,675.22 is: 125,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,287.32 : 223,961.07 = 90,675.22 : x
  2. Step 2: Convert to fraction form
    162,287.32/223,961.07 = 90,675.22/x
  3. Step 3: Cross multiply
    162,287.32x = 223,961.07 × 90,675.22
  4. Step 4: Simplify right side
    162,287.32x = 20,307,719,293.69
  5. Step 5: Solve for x
    x = 20,307,719,293.69/162,287.32
  6. Step 6: Final answer
    x = 125,134.36

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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.