Home / 112,624.80-168,937.20-108,688.20

Finding the Fourth Proportional to 112,624.80, 168,937.20 and 108,688.20

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Solution

The fourth proportional to 112,624.80, 168,937.20 and 108,688.20 is: 163,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,624.80 : 168,937.20 = 108,688.20 : x
  2. Step 2: Convert to fraction form
    112,624.80/168,937.20 = 108,688.20/x
  3. Step 3: Cross multiply
    112,624.80x = 168,937.20 × 108,688.20
  4. Step 4: Simplify right side
    112,624.80x = 18,361,480,181.04
  5. Step 5: Solve for x
    x = 18,361,480,181.04/112,624.80
  6. Step 6: Final answer
    x = 163,032.30

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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.