Home / 131,970.78-197,967.81-37,201.76

Finding the Fourth Proportional to 131,970.78, 197,967.81 and 37,201.76

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Solution

The fourth proportional to 131,970.78, 197,967.81 and 37,201.76 is: 55,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,970.78 : 197,967.81 = 37,201.76 : x
  2. Step 2: Convert to fraction form
    131,970.78/197,967.81 = 37,201.76/x
  3. Step 3: Cross multiply
    131,970.78x = 197,967.81 × 37,201.76
  4. Step 4: Simplify right side
    131,970.78x = 7,364,749,965.51
  5. Step 5: Solve for x
    x = 7,364,749,965.51/131,970.78
  6. Step 6: Final answer
    x = 55,805.91

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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.