Home / 120,788.29-181,203.66-45,914.98

Finding the Fourth Proportional to 120,788.29, 181,203.66 and 45,914.98

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Solution

The fourth proportional to 120,788.29, 181,203.66 and 45,914.98 is: 68,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,788.29 : 181,203.66 = 45,914.98 : x
  2. Step 2: Convert to fraction form
    120,788.29/181,203.66 = 45,914.98/x
  3. Step 3: Cross multiply
    120,788.29x = 181,203.66 × 45,914.98
  4. Step 4: Simplify right side
    120,788.29x = 8,319,962,424.83
  5. Step 5: Solve for x
    x = 8,319,962,424.83/120,788.29
  6. Step 6: Final answer
    x = 68,880.54

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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.