Home / 197,399.15-272,410.04-106,755.21

Finding the Fourth Proportional to 197,399.15, 272,410.04 and 106,755.21

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Solution

The fourth proportional to 197,399.15, 272,410.04 and 106,755.21 is: 147,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,399.15 : 272,410.04 = 106,755.21 : x
  2. Step 2: Convert to fraction form
    197,399.15/272,410.04 = 106,755.21/x
  3. Step 3: Cross multiply
    197,399.15x = 272,410.04 × 106,755.21
  4. Step 4: Simplify right side
    197,399.15x = 29,081,190,492.53
  5. Step 5: Solve for x
    x = 29,081,190,492.53/197,399.15
  6. Step 6: Final answer
    x = 147,321.77

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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.