Home / 221,741.45-306,003.49-126,248.12

Finding the Fourth Proportional to 221,741.45, 306,003.49 and 126,248.12

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Solution

The fourth proportional to 221,741.45, 306,003.49 and 126,248.12 is: 174,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,741.45 : 306,003.49 = 126,248.12 : x
  2. Step 2: Convert to fraction form
    221,741.45/306,003.49 = 126,248.12/x
  3. Step 3: Cross multiply
    221,741.45x = 306,003.49 × 126,248.12
  4. Step 4: Simplify right side
    221,741.45x = 38,632,364,627.81
  5. Step 5: Solve for x
    x = 38,632,364,627.81/221,741.45
  6. Step 6: Final answer
    x = 174,222.57

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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.