Home / 143,848.60-215,772.90-50,363.80

Finding the Fourth Proportional to 143,848.60, 215,772.90 and 50,363.80

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Solution

The fourth proportional to 143,848.60, 215,772.90 and 50,363.80 is: 75,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,848.60 : 215,772.90 = 50,363.80 : x
  2. Step 2: Convert to fraction form
    143,848.60/215,772.90 = 50,363.80/x
  3. Step 3: Cross multiply
    143,848.60x = 215,772.90 × 50,363.80
  4. Step 4: Simplify right side
    143,848.60x = 10,867,143,181.02
  5. Step 5: Solve for x
    x = 10,867,143,181.02/143,848.60
  6. Step 6: Final answer
    x = 75,545.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.