Home / 115,583.60-173,260.20-53,145.20

Finding the Fourth Proportional to 115,583.60, 173,260.20 and 53,145.20

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Solution

The fourth proportional to 115,583.60, 173,260.20 and 53,145.20 is: 79,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,583.60 : 173,260.20 = 53,145.20 : x
  2. Step 2: Convert to fraction form
    115,583.60/173,260.20 = 53,145.20/x
  3. Step 3: Cross multiply
    115,583.60x = 173,260.20 × 53,145.20
  4. Step 4: Simplify right side
    115,583.60x = 9,207,947,981.04
  5. Step 5: Solve for x
    x = 9,207,947,981.04/115,583.60
  6. Step 6: Final answer
    x = 79,664.83

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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.