Home / 221,736.96-306,051.69-126,300.06

Finding the Fourth Proportional to 221,736.96, 306,051.69 and 126,300.06

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Solution

The fourth proportional to 221,736.96, 306,051.69 and 126,300.06 is: 174,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,736.96 : 306,051.69 = 126,300.06 : x
  2. Step 2: Convert to fraction form
    221,736.96/306,051.69 = 126,300.06/x
  3. Step 3: Cross multiply
    221,736.96x = 306,051.69 × 126,300.06
  4. Step 4: Simplify right side
    221,736.96x = 38,654,346,810.10
  5. Step 5: Solve for x
    x = 38,654,346,810.10/221,736.96
  6. Step 6: Final answer
    x = 174,325.23

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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.