Home / 210,286.04-315,433.47-75,358.89

Finding the Fourth Proportional to 210,286.04, 315,433.47 and 75,358.89

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Solution

The fourth proportional to 210,286.04, 315,433.47 and 75,358.89 is: 113,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,286.04 : 315,433.47 = 75,358.89 : x
  2. Step 2: Convert to fraction form
    210,286.04/315,433.47 = 75,358.89/x
  3. Step 3: Cross multiply
    210,286.04x = 315,433.47 × 75,358.89
  4. Step 4: Simplify right side
    210,286.04x = 23,770,716,168.05
  5. Step 5: Solve for x
    x = 23,770,716,168.05/210,286.04
  6. Step 6: Final answer
    x = 113,039.92

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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.