Home / 115,717.87-173,642.37-45,646.39

Finding the Fourth Proportional to 115,717.87, 173,642.37 and 45,646.39

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Solution

The fourth proportional to 115,717.87, 173,642.37 and 45,646.39 is: 68,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,717.87 : 173,642.37 = 45,646.39 : x
  2. Step 2: Convert to fraction form
    115,717.87/173,642.37 = 45,646.39/x
  3. Step 3: Cross multiply
    115,717.87x = 173,642.37 × 45,646.39
  4. Step 4: Simplify right side
    115,717.87x = 7,926,147,341.54
  5. Step 5: Solve for x
    x = 7,926,147,341.54/115,717.87
  6. Step 6: Final answer
    x = 68,495.45

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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.