Home / 122,880.42-169,627.30-82,617.54

Finding the Fourth Proportional to 122,880.42, 169,627.30 and 82,617.54

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Solution

The fourth proportional to 122,880.42, 169,627.30 and 82,617.54 is: 114,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,880.42 : 169,627.30 = 82,617.54 : x
  2. Step 2: Convert to fraction form
    122,880.42/169,627.30 = 82,617.54/x
  3. Step 3: Cross multiply
    122,880.42x = 169,627.30 × 82,617.54
  4. Step 4: Simplify right side
    122,880.42x = 14,014,190,242.84
  5. Step 5: Solve for x
    x = 14,014,190,242.84/122,880.42
  6. Step 6: Final answer
    x = 114,047.38

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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.