Home / 115,292.87-171,793.12-102,716.25

Finding the Fourth Proportional to 115,292.87, 171,793.12 and 102,716.25

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Solution

The fourth proportional to 115,292.87, 171,793.12 and 102,716.25 is: 153,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,292.87 : 171,793.12 = 102,716.25 : x
  2. Step 2: Convert to fraction form
    115,292.87/171,793.12 = 102,716.25/x
  3. Step 3: Cross multiply
    115,292.87x = 171,793.12 × 102,716.25
  4. Step 4: Simplify right side
    115,292.87x = 17,645,945,062.20
  5. Step 5: Solve for x
    x = 17,645,945,062.20/115,292.87
  6. Step 6: Final answer
    x = 153,053.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.