Home / 221,039.56-305,025.06-125,545.96

Finding the Fourth Proportional to 221,039.56, 305,025.06 and 125,545.96

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Solution

The fourth proportional to 221,039.56, 305,025.06 and 125,545.96 is: 173,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,039.56 : 305,025.06 = 125,545.96 : x
  2. Step 2: Convert to fraction form
    221,039.56/305,025.06 = 125,545.96/x
  3. Step 3: Cross multiply
    221,039.56x = 305,025.06 × 125,545.96
  4. Step 4: Simplify right side
    221,039.56x = 38,294,663,981.76
  5. Step 5: Solve for x
    x = 38,294,663,981.76/221,039.56
  6. Step 6: Final answer
    x = 173,248.01

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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.