Home / 179,378.50-247,542.33-103,970.74

Finding the Fourth Proportional to 179,378.50, 247,542.33 and 103,970.74

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Solution

The fourth proportional to 179,378.50, 247,542.33 and 103,970.74 is: 143,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,378.50 : 247,542.33 = 103,970.74 : x
  2. Step 2: Convert to fraction form
    179,378.50/247,542.33 = 103,970.74/x
  3. Step 3: Cross multiply
    179,378.50x = 247,542.33 × 103,970.74
  4. Step 4: Simplify right side
    179,378.50x = 25,737,159,231.42
  5. Step 5: Solve for x
    x = 25,737,159,231.42/179,378.50
  6. Step 6: Final answer
    x = 143,479.62

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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.