Home / 221,913.03-306,233.87-125,116.04

Finding the Fourth Proportional to 221,913.03, 306,233.87 and 125,116.04

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Solution

The fourth proportional to 221,913.03, 306,233.87 and 125,116.04 is: 172,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,913.03 : 306,233.87 = 125,116.04 : x
  2. Step 2: Convert to fraction form
    221,913.03/306,233.87 = 125,116.04/x
  3. Step 3: Cross multiply
    221,913.03x = 306,233.87 × 125,116.04
  4. Step 4: Simplify right side
    221,913.03x = 38,314,769,268.28
  5. Step 5: Solve for x
    x = 38,314,769,268.28/221,913.03
  6. Step 6: Final answer
    x = 172,656.69

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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.