Home / 164,724.10-227,319.15-89,272.60

Finding the Fourth Proportional to 164,724.10, 227,319.15 and 89,272.60

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Solution

The fourth proportional to 164,724.10, 227,319.15 and 89,272.60 is: 123,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,724.10 : 227,319.15 = 89,272.60 : x
  2. Step 2: Convert to fraction form
    164,724.10/227,319.15 = 89,272.60/x
  3. Step 3: Cross multiply
    164,724.10x = 227,319.15 × 89,272.60
  4. Step 4: Simplify right side
    164,724.10x = 20,293,371,550.29
  5. Step 5: Solve for x
    x = 20,293,371,550.29/164,724.10
  6. Step 6: Final answer
    x = 123,196.13

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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.