Home / 164,691.10-227,273.52-89,239.60

Finding the Fourth Proportional to 164,691.10, 227,273.52 and 89,239.60

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Solution

The fourth proportional to 164,691.10, 227,273.52 and 89,239.60 is: 123,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,691.10 : 227,273.52 = 89,239.60 : x
  2. Step 2: Convert to fraction form
    164,691.10/227,273.52 = 89,239.60/x
  3. Step 3: Cross multiply
    164,691.10x = 227,273.52 × 89,239.60
  4. Step 4: Simplify right side
    164,691.10x = 20,281,798,015.39
  5. Step 5: Solve for x
    x = 20,281,798,015.39/164,691.10
  6. Step 6: Final answer
    x = 123,150.54

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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.