Home / 122,366.33-183,542.09-72,762.10

Finding the Fourth Proportional to 122,366.33, 183,542.09 and 72,762.10

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Solution

The fourth proportional to 122,366.33, 183,542.09 and 72,762.10 is: 109,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,366.33 : 183,542.09 = 72,762.10 : x
  2. Step 2: Convert to fraction form
    122,366.33/183,542.09 = 72,762.10/x
  3. Step 3: Cross multiply
    122,366.33x = 183,542.09 × 72,762.10
  4. Step 4: Simplify right side
    122,366.33x = 13,354,907,629.84
  5. Step 5: Solve for x
    x = 13,354,907,629.84/122,366.33
  6. Step 6: Final answer
    x = 109,138.74

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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.