Home / 197,813.75-272,983.04-107,170.34

Finding the Fourth Proportional to 197,813.75, 272,983.04 and 107,170.34

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Solution

The fourth proportional to 197,813.75, 272,983.04 and 107,170.34 is: 147,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,813.75 : 272,983.04 = 107,170.34 : x
  2. Step 2: Convert to fraction form
    197,813.75/272,983.04 = 107,170.34/x
  3. Step 3: Cross multiply
    197,813.75x = 272,983.04 × 107,170.34
  4. Step 4: Simplify right side
    197,813.75x = 29,255,685,211.03
  5. Step 5: Solve for x
    x = 29,255,685,211.03/197,813.75
  6. Step 6: Final answer
    x = 147,895.10

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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.