Home / 210,151.08-315,318.96-110,287.80

Finding the Fourth Proportional to 210,151.08, 315,318.96 and 110,287.80

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Solution

The fourth proportional to 210,151.08, 315,318.96 and 110,287.80 is: 165,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,151.08 : 315,318.96 = 110,287.80 : x
  2. Step 2: Convert to fraction form
    210,151.08/315,318.96 = 110,287.80/x
  3. Step 3: Cross multiply
    210,151.08x = 315,318.96 × 110,287.80
  4. Step 4: Simplify right side
    210,151.08x = 34,775,834,396.69
  5. Step 5: Solve for x
    x = 34,775,834,396.69/210,151.08
  6. Step 6: Final answer
    x = 165,480.16

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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.