Home / 131,977.50-197,999.25-38,483.25

Finding the Fourth Proportional to 131,977.50, 197,999.25 and 38,483.25

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Solution

The fourth proportional to 131,977.50, 197,999.25 and 38,483.25 is: 57,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,977.50 : 197,999.25 = 38,483.25 : x
  2. Step 2: Convert to fraction form
    131,977.50/197,999.25 = 38,483.25/x
  3. Step 3: Cross multiply
    131,977.50x = 197,999.25 × 38,483.25
  4. Step 4: Simplify right side
    131,977.50x = 7,619,654,637.56
  5. Step 5: Solve for x
    x = 7,619,654,637.56/131,977.50
  6. Step 6: Final answer
    x = 57,734.50

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1.5x scale

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.