Home / 112,613.80-168,920.70-110,864.20

Finding the Fourth Proportional to 112,613.80, 168,920.70 and 110,864.20

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Solution

The fourth proportional to 112,613.80, 168,920.70 and 110,864.20 is: 166,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,613.80 : 168,920.70 = 110,864.20 : x
  2. Step 2: Convert to fraction form
    112,613.80/168,920.70 = 110,864.20/x
  3. Step 3: Cross multiply
    112,613.80x = 168,920.70 × 110,864.20
  4. Step 4: Simplify right side
    112,613.80x = 18,727,258,268.94
  5. Step 5: Solve for x
    x = 18,727,258,268.94/112,613.80
  6. Step 6: Final answer
    x = 166,296.30

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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.