Home / 131,975.56-197,981.16-38,480.52

Finding the Fourth Proportional to 131,975.56, 197,981.16 and 38,480.52

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Solution

The fourth proportional to 131,975.56, 197,981.16 and 38,480.52 is: 57,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,975.56 : 197,981.16 = 38,480.52 : x
  2. Step 2: Convert to fraction form
    131,975.56/197,981.16 = 38,480.52/x
  3. Step 3: Cross multiply
    131,975.56x = 197,981.16 × 38,480.52
  4. Step 4: Simplify right side
    131,975.56x = 7,618,417,987.00
  5. Step 5: Solve for x
    x = 7,618,417,987.00/131,975.56
  6. Step 6: Final answer
    x = 57,725.98

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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.