Home / 120,804.83-166,794.06-75,503.17

Finding the Fourth Proportional to 120,804.83, 166,794.06 and 75,503.17

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Solution

The fourth proportional to 120,804.83, 166,794.06 and 75,503.17 is: 104,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,804.83 : 166,794.06 = 75,503.17 : x
  2. Step 2: Convert to fraction form
    120,804.83/166,794.06 = 75,503.17/x
  3. Step 3: Cross multiply
    120,804.83x = 166,794.06 × 75,503.17
  4. Step 4: Simplify right side
    120,804.83x = 12,593,480,546.45
  5. Step 5: Solve for x
    x = 12,593,480,546.45/120,804.83
  6. Step 6: Final answer
    x = 104,246.50

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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.