Home / 179,639.91-247,894.74-103,105.14

Finding the Fourth Proportional to 179,639.91, 247,894.74 and 103,105.14

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Solution

The fourth proportional to 179,639.91, 247,894.74 and 103,105.14 is: 142,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,639.91 : 247,894.74 = 103,105.14 : x
  2. Step 2: Convert to fraction form
    179,639.91/247,894.74 = 103,105.14/x
  3. Step 3: Cross multiply
    179,639.91x = 247,894.74 × 103,105.14
  4. Step 4: Simplify right side
    179,639.91x = 25,559,221,872.96
  5. Step 5: Solve for x
    x = 25,559,221,872.96/179,639.91
  6. Step 6: Final answer
    x = 142,280.31

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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.