Home / 115,429.80-173,144.70-106,572.45

Finding the Fourth Proportional to 115,429.80, 173,144.70 and 106,572.45

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Solution

The fourth proportional to 115,429.80, 173,144.70 and 106,572.45 is: 159,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429.80 : 173,144.70 = 106,572.45 : x
  2. Step 2: Convert to fraction form
    115,429.80/173,144.70 = 106,572.45/x
  3. Step 3: Cross multiply
    115,429.80x = 173,144.70 × 106,572.45
  4. Step 4: Simplify right side
    115,429.80x = 18,452,454,883.52
  5. Step 5: Solve for x
    x = 18,452,454,883.52/115,429.80
  6. Step 6: Final answer
    x = 159,858.68

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1.5x scale

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.