Home / 210,336.12-315,504.18-111,817.08

Finding the Fourth Proportional to 210,336.12, 315,504.18 and 111,817.08

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Solution

The fourth proportional to 210,336.12, 315,504.18 and 111,817.08 is: 167,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,336.12 : 315,504.18 = 111,817.08 : x
  2. Step 2: Convert to fraction form
    210,336.12/315,504.18 = 111,817.08/x
  3. Step 3: Cross multiply
    210,336.12x = 315,504.18 × 111,817.08
  4. Step 4: Simplify right side
    210,336.12x = 35,278,756,135.39
  5. Step 5: Solve for x
    x = 35,278,756,135.39/210,336.12
  6. Step 6: Final answer
    x = 167,725.62

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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.