Home / 206,023.36-309,035.04-112,478.08

Finding the Fourth Proportional to 206,023.36, 309,035.04 and 112,478.08

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Solution

The fourth proportional to 206,023.36, 309,035.04 and 112,478.08 is: 168,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,023.36 : 309,035.04 = 112,478.08 : x
  2. Step 2: Convert to fraction form
    206,023.36/309,035.04 = 112,478.08/x
  3. Step 3: Cross multiply
    206,023.36x = 309,035.04 × 112,478.08
  4. Step 4: Simplify right side
    206,023.36x = 34,759,667,951.92
  5. Step 5: Solve for x
    x = 34,759,667,951.92/206,023.36
  6. Step 6: Final answer
    x = 168,717.12

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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.