Home / 115,555.03-173,213.62-56,317.40

Finding the Fourth Proportional to 115,555.03, 173,213.62 and 56,317.40

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Solution

The fourth proportional to 115,555.03, 173,213.62 and 56,317.40 is: 84,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.03 : 173,213.62 = 56,317.40 : x
  2. Step 2: Convert to fraction form
    115,555.03/173,213.62 = 56,317.40/x
  3. Step 3: Cross multiply
    115,555.03x = 173,213.62 × 56,317.40
  4. Step 4: Simplify right side
    115,555.03x = 9,754,940,722.99
  5. Step 5: Solve for x
    x = 9,754,940,722.99/115,555.03
  6. Step 6: Final answer
    x = 84,418.14

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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.