Home / 115,428.60-173,126.70-36,550.80

Finding the Fourth Proportional to 115,428.60, 173,126.70 and 36,550.80

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Solution

The fourth proportional to 115,428.60, 173,126.70 and 36,550.80 is: 54,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,428.60 : 173,126.70 = 36,550.80 : x
  2. Step 2: Convert to fraction form
    115,428.60/173,126.70 = 36,550.80/x
  3. Step 3: Cross multiply
    115,428.60x = 173,126.70 × 36,550.80
  4. Step 4: Simplify right side
    115,428.60x = 6,327,919,386.36
  5. Step 5: Solve for x
    x = 6,327,919,386.36/115,428.60
  6. Step 6: Final answer
    x = 54,821.07

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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.