Home / 131,400.84-197,196.36-52,537.68

Finding the Fourth Proportional to 131,400.84, 197,196.36 and 52,537.68

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Solution

The fourth proportional to 131,400.84, 197,196.36 and 52,537.68 is: 78,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,400.84 : 197,196.36 = 52,537.68 : x
  2. Step 2: Convert to fraction form
    131,400.84/197,196.36 = 52,537.68/x
  3. Step 3: Cross multiply
    131,400.84x = 197,196.36 × 52,537.68
  4. Step 4: Simplify right side
    131,400.84x = 10,360,239,258.84
  5. Step 5: Solve for x
    x = 10,360,239,258.84/131,400.84
  6. Step 6: Final answer
    x = 78,844.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.