Home / 206,024.36-309,036.54-112,479.08

Finding the Fourth Proportional to 206,024.36, 309,036.54 and 112,479.08

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Solution

The fourth proportional to 206,024.36, 309,036.54 and 112,479.08 is: 168,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,024.36 : 309,036.54 = 112,479.08 : x
  2. Step 2: Convert to fraction form
    206,024.36/309,036.54 = 112,479.08/x
  3. Step 3: Cross multiply
    206,024.36x = 309,036.54 × 112,479.08
  4. Step 4: Simplify right side
    206,024.36x = 34,760,145,705.58
  5. Step 5: Solve for x
    x = 34,760,145,705.58/206,024.36
  6. Step 6: Final answer
    x = 168,718.62

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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.