Home / 147,293.64-203,273.19-86,899.68

Finding the Fourth Proportional to 147,293.64, 203,273.19 and 86,899.68

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Solution

The fourth proportional to 147,293.64, 203,273.19 and 86,899.68 is: 119,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,293.64 : 203,273.19 = 86,899.68 : x
  2. Step 2: Convert to fraction form
    147,293.64/203,273.19 = 86,899.68/x
  3. Step 3: Cross multiply
    147,293.64x = 203,273.19 × 86,899.68
  4. Step 4: Simplify right side
    147,293.64x = 17,664,375,163.58
  5. Step 5: Solve for x
    x = 17,664,375,163.58/147,293.64
  6. Step 6: Final answer
    x = 119,926.26

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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.