Home / 95,557.20-143,138.70-55,994.40

Finding the Fourth Proportional to 95,557.20, 143,138.70 and 55,994.40

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Solution

The fourth proportional to 95,557.20, 143,138.70 and 55,994.40 is: 83,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,557.20 : 143,138.70 = 55,994.40 : x
  2. Step 2: Convert to fraction form
    95,557.20/143,138.70 = 55,994.40/x
  3. Step 3: Cross multiply
    95,557.20x = 143,138.70 × 55,994.40
  4. Step 4: Simplify right side
    95,557.20x = 8,014,965,623.28
  5. Step 5: Solve for x
    x = 8,014,965,623.28/95,557.20
  6. Step 6: Final answer
    x = 83,876.10

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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.