Home / 115,399.62-173,118.87-53,068.50

Finding the Fourth Proportional to 115,399.62, 173,118.87 and 53,068.50

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Solution

The fourth proportional to 115,399.62, 173,118.87 and 53,068.50 is: 79,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,399.62 : 173,118.87 = 53,068.50 : x
  2. Step 2: Convert to fraction form
    115,399.62/173,118.87 = 53,068.50/x
  3. Step 3: Cross multiply
    115,399.62x = 173,118.87 × 53,068.50
  4. Step 4: Simplify right side
    115,399.62x = 9,187,158,752.60
  5. Step 5: Solve for x
    x = 9,187,158,752.60/115,399.62
  6. Step 6: Final answer
    x = 79,611.69

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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.