Home / 165,623.20-248,434.80-112,479.10

Finding the Fourth Proportional to 165,623.20, 248,434.80 and 112,479.10

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Solution

The fourth proportional to 165,623.20, 248,434.80 and 112,479.10 is: 168,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.20 : 248,434.80 = 112,479.10 : x
  2. Step 2: Convert to fraction form
    165,623.20/248,434.80 = 112,479.10/x
  3. Step 3: Cross multiply
    165,623.20x = 248,434.80 × 112,479.10
  4. Step 4: Simplify right side
    165,623.20x = 27,943,722,712.68
  5. Step 5: Solve for x
    x = 27,943,722,712.68/165,623.20
  6. Step 6: Final answer
    x = 168,718.65

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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.