Home / 109,107.68-163,661.52-30,221.93

Finding the Fourth Proportional to 109,107.68, 163,661.52 and 30,221.93

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Solution

The fourth proportional to 109,107.68, 163,661.52 and 30,221.93 is: 45,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,107.68 : 163,661.52 = 30,221.93 : x
  2. Step 2: Convert to fraction form
    109,107.68/163,661.52 = 30,221.93/x
  3. Step 3: Cross multiply
    109,107.68x = 163,661.52 × 30,221.93
  4. Step 4: Simplify right side
    109,107.68x = 4,946,167,410.29
  5. Step 5: Solve for x
    x = 4,946,167,410.29/109,107.68
  6. Step 6: Final answer
    x = 45,332.90

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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.