Home / 179,380.50-247,545.10-103,972.74

Finding the Fourth Proportional to 179,380.50, 247,545.10 and 103,972.74

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Solution

The fourth proportional to 179,380.50, 247,545.10 and 103,972.74 is: 143,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,380.50 : 247,545.10 = 103,972.74 : x
  2. Step 2: Convert to fraction form
    179,380.50/247,545.10 = 103,972.74/x
  3. Step 3: Cross multiply
    179,380.50x = 247,545.10 × 103,972.74
  4. Step 4: Simplify right side
    179,380.50x = 25,737,942,320.57
  5. Step 5: Solve for x
    x = 25,737,942,320.57/179,380.50
  6. Step 6: Final answer
    x = 143,482.39

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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.