Home / 115,221.04-173,454.01-103,634.47

Finding the Fourth Proportional to 115,221.04, 173,454.01 and 103,634.47

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Solution

The fourth proportional to 115,221.04, 173,454.01 and 103,634.47 is: 156,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,221.04 : 173,454.01 = 103,634.47 : x
  2. Step 2: Convert to fraction form
    115,221.04/173,454.01 = 103,634.47/x
  3. Step 3: Cross multiply
    115,221.04x = 173,454.01 × 103,634.47
  4. Step 4: Simplify right side
    115,221.04x = 17,975,814,395.72
  5. Step 5: Solve for x
    x = 17,975,814,395.72/115,221.04
  6. Step 6: Final answer
    x = 156,011.56

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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.