Home / 197,085.12-271,977.48-107,661.12

Finding the Fourth Proportional to 197,085.12, 271,977.48 and 107,661.12

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Solution

The fourth proportional to 197,085.12, 271,977.48 and 107,661.12 is: 148,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,085.12 : 271,977.48 = 107,661.12 : x
  2. Step 2: Convert to fraction form
    197,085.12/271,977.48 = 107,661.12/x
  3. Step 3: Cross multiply
    197,085.12x = 271,977.48 × 107,661.12
  4. Step 4: Simplify right side
    197,085.12x = 29,281,400,111.58
  5. Step 5: Solve for x
    x = 29,281,400,111.58/197,085.12
  6. Step 6: Final answer
    x = 148,572.35

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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.