Home / 115,218.04-173,449.48-103,631.47

Finding the Fourth Proportional to 115,218.04, 173,449.48 and 103,631.47

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Solution

The fourth proportional to 115,218.04, 173,449.48 and 103,631.47 is: 156,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,218.04 : 173,449.48 = 103,631.47 : x
  2. Step 2: Convert to fraction form
    115,218.04/173,449.48 = 103,631.47/x
  3. Step 3: Cross multiply
    115,218.04x = 173,449.48 × 103,631.47
  4. Step 4: Simplify right side
    115,218.04x = 17,974,824,583.14
  5. Step 5: Solve for x
    x = 17,974,824,583.14/115,218.04
  6. Step 6: Final answer
    x = 156,007.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.