Home / 163,250.22-225,273.08-90,657.20

Finding the Fourth Proportional to 163,250.22, 225,273.08 and 90,657.20

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Solution

The fourth proportional to 163,250.22, 225,273.08 and 90,657.20 is: 125,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,250.22 : 225,273.08 = 90,657.20 : x
  2. Step 2: Convert to fraction form
    163,250.22/225,273.08 = 90,657.20/x
  3. Step 3: Cross multiply
    163,250.22x = 225,273.08 × 90,657.20
  4. Step 4: Simplify right side
    163,250.22x = 20,422,626,668.18
  5. Step 5: Solve for x
    x = 20,422,626,668.18/163,250.22
  6. Step 6: Final answer
    x = 125,100.15

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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.