Home / 210,940.68-291,098.60-115,453.52

Finding the Fourth Proportional to 210,940.68, 291,098.60 and 115,453.52

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Solution

The fourth proportional to 210,940.68, 291,098.60 and 115,453.52 is: 159,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,940.68 : 291,098.60 = 115,453.52 : x
  2. Step 2: Convert to fraction form
    210,940.68/291,098.60 = 115,453.52/x
  3. Step 3: Cross multiply
    210,940.68x = 291,098.60 × 115,453.52
  4. Step 4: Simplify right side
    210,940.68x = 33,608,358,037.07
  5. Step 5: Solve for x
    x = 33,608,358,037.07/210,940.68
  6. Step 6: Final answer
    x = 159,326.11

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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.