Home / 210,940.76-291,096.53-115,447.23

Finding the Fourth Proportional to 210,940.76, 291,096.53 and 115,447.23

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Solution

The fourth proportional to 210,940.76, 291,096.53 and 115,447.23 is: 159,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,940.76 : 291,096.53 = 115,447.23 : x
  2. Step 2: Convert to fraction form
    210,940.76/291,096.53 = 115,447.23/x
  3. Step 3: Cross multiply
    210,940.76x = 291,096.53 × 115,447.23
  4. Step 4: Simplify right side
    210,940.76x = 33,606,287,473.88
  5. Step 5: Solve for x
    x = 33,606,287,473.88/210,940.76
  6. Step 6: Final answer
    x = 159,316.24

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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.