Home / 210,517.53-290,516.24-115,024.22

Finding the Fourth Proportional to 210,517.53, 290,516.24 and 115,024.22

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Solution

The fourth proportional to 210,517.53, 290,516.24 and 115,024.22 is: 158,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,517.53 : 290,516.24 = 115,024.22 : x
  2. Step 2: Convert to fraction form
    210,517.53/290,516.24 = 115,024.22/x
  3. Step 3: Cross multiply
    210,517.53x = 290,516.24 × 115,024.22
  4. Step 4: Simplify right side
    210,517.53x = 33,416,403,180.74
  5. Step 5: Solve for x
    x = 33,416,403,180.74/210,517.53
  6. Step 6: Final answer
    x = 158,734.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.