Home / 115,550.40-173,325.60-71,032.80

Finding the Fourth Proportional to 115,550.40, 173,325.60 and 71,032.80

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Solution

The fourth proportional to 115,550.40, 173,325.60 and 71,032.80 is: 106,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.40 : 173,325.60 = 71,032.80 : x
  2. Step 2: Convert to fraction form
    115,550.40/173,325.60 = 71,032.80/x
  3. Step 3: Cross multiply
    115,550.40x = 173,325.60 × 71,032.80
  4. Step 4: Simplify right side
    115,550.40x = 12,311,802,679.68
  5. Step 5: Solve for x
    x = 12,311,802,679.68/115,550.40
  6. Step 6: Final answer
    x = 106,549.20

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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.