Home / 163,925.12-226,233.60-100,305.20

Finding the Fourth Proportional to 163,925.12, 226,233.60 and 100,305.20

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Solution

The fourth proportional to 163,925.12, 226,233.60 and 100,305.20 is: 138,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,925.12 : 226,233.60 = 100,305.20 : x
  2. Step 2: Convert to fraction form
    163,925.12/226,233.60 = 100,305.20/x
  3. Step 3: Cross multiply
    163,925.12x = 226,233.60 × 100,305.20
  4. Step 4: Simplify right side
    163,925.12x = 22,692,406,494.72
  5. Step 5: Solve for x
    x = 22,692,406,494.72/163,925.12
  6. Step 6: Final answer
    x = 138,431.54

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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.