Home / 122,166.20-183,281.70-43,272.20

Finding the Fourth Proportional to 122,166.20, 183,281.70 and 43,272.20

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Solution

The fourth proportional to 122,166.20, 183,281.70 and 43,272.20 is: 64,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166.20 : 183,281.70 = 43,272.20 : x
  2. Step 2: Convert to fraction form
    122,166.20/183,281.70 = 43,272.20/x
  3. Step 3: Cross multiply
    122,166.20x = 183,281.70 × 43,272.20
  4. Step 4: Simplify right side
    122,166.20x = 7,931,002,378.74
  5. Step 5: Solve for x
    x = 7,931,002,378.74/122,166.20
  6. Step 6: Final answer
    x = 64,919.78

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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.