Home / 122,448.40-183,478.20-80,846.80

Finding the Fourth Proportional to 122,448.40, 183,478.20 and 80,846.80

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Solution

The fourth proportional to 122,448.40, 183,478.20 and 80,846.80 is: 121,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,448.40 : 183,478.20 = 80,846.80 : x
  2. Step 2: Convert to fraction form
    122,448.40/183,478.20 = 80,846.80/x
  3. Step 3: Cross multiply
    122,448.40x = 183,478.20 × 80,846.80
  4. Step 4: Simplify right side
    122,448.40x = 14,833,625,339.76
  5. Step 5: Solve for x
    x = 14,833,625,339.76/122,448.40
  6. Step 6: Final answer
    x = 121,141.85

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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.