Home / 122,201.55-168,645.07-68,490.03

Finding the Fourth Proportional to 122,201.55, 168,645.07 and 68,490.03

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Solution

The fourth proportional to 122,201.55, 168,645.07 and 68,490.03 is: 94,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,201.55 : 168,645.07 = 68,490.03 : x
  2. Step 2: Convert to fraction form
    122,201.55/168,645.07 = 68,490.03/x
  3. Step 3: Cross multiply
    122,201.55x = 168,645.07 × 68,490.03
  4. Step 4: Simplify right side
    122,201.55x = 11,550,506,621.68
  5. Step 5: Solve for x
    x = 11,550,506,621.68/122,201.55
  6. Step 6: Final answer
    x = 94,520.13

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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.