Home / 210,516.86-290,512.82-115,024.24

Finding the Fourth Proportional to 210,516.86, 290,512.82 and 115,024.24

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Solution

The fourth proportional to 210,516.86, 290,512.82 and 115,024.24 is: 158,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,516.86 : 290,512.82 = 115,024.24 : x
  2. Step 2: Convert to fraction form
    210,516.86/290,512.82 = 115,024.24/x
  3. Step 3: Cross multiply
    210,516.86x = 290,512.82 × 115,024.24
  4. Step 4: Simplify right side
    210,516.86x = 33,416,016,330.76
  5. Step 5: Solve for x
    x = 33,416,016,330.76/210,516.86
  6. Step 6: Final answer
    x = 158,733.21

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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.