Home / 163,842.68-226,139.78-107,221.25

Finding the Fourth Proportional to 163,842.68, 226,139.78 and 107,221.25

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Solution

The fourth proportional to 163,842.68, 226,139.78 and 107,221.25 is: 147,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,842.68 : 226,139.78 = 107,221.25 : x
  2. Step 2: Convert to fraction form
    163,842.68/226,139.78 = 107,221.25/x
  3. Step 3: Cross multiply
    163,842.68x = 226,139.78 × 107,221.25
  4. Step 4: Simplify right side
    163,842.68x = 24,246,989,886.33
  5. Step 5: Solve for x
    x = 24,246,989,886.33/163,842.68
  6. Step 6: Final answer
    x = 147,989.46

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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.