Home / 120,887.07-166,712.54-75,550.56

Finding the Fourth Proportional to 120,887.07, 166,712.54 and 75,550.56

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Solution

The fourth proportional to 120,887.07, 166,712.54 and 75,550.56 is: 104,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887.07 : 166,712.54 = 75,550.56 : x
  2. Step 2: Convert to fraction form
    120,887.07/166,712.54 = 75,550.56/x
  3. Step 3: Cross multiply
    120,887.07x = 166,712.54 × 75,550.56
  4. Step 4: Simplify right side
    120,887.07x = 12,595,225,378.27
  5. Step 5: Solve for x
    x = 12,595,225,378.27/120,887.07
  6. Step 6: Final answer
    x = 104,190.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.