Home / 109,455.36-164,191.14-39,335.28

Finding the Fourth Proportional to 109,455.36, 164,191.14 and 39,335.28

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Solution

The fourth proportional to 109,455.36, 164,191.14 and 39,335.28 is: 59,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,455.36 : 164,191.14 = 39,335.28 : x
  2. Step 2: Convert to fraction form
    109,455.36/164,191.14 = 39,335.28/x
  3. Step 3: Cross multiply
    109,455.36x = 164,191.14 × 39,335.28
  4. Step 4: Simplify right side
    109,455.36x = 6,458,504,465.42
  5. Step 5: Solve for x
    x = 6,458,504,465.42/109,455.36
  6. Step 6: Final answer
    x = 59,005.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.