Home / 221,212.51-305,299.19-125,733.56

Finding the Fourth Proportional to 221,212.51, 305,299.19 and 125,733.56

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Solution

The fourth proportional to 221,212.51, 305,299.19 and 125,733.56 is: 173,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,212.51 : 305,299.19 = 125,733.56 : x
  2. Step 2: Convert to fraction form
    221,212.51/305,299.19 = 125,733.56/x
  3. Step 3: Cross multiply
    221,212.51x = 305,299.19 × 125,733.56
  4. Step 4: Simplify right side
    221,212.51x = 38,386,353,821.71
  5. Step 5: Solve for x
    x = 38,386,353,821.71/221,212.51
  6. Step 6: Final answer
    x = 173,527.05

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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.