Home / 131,774.77-197,667.62-38,280.52

Finding the Fourth Proportional to 131,774.77, 197,667.62 and 38,280.52

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Solution

The fourth proportional to 131,774.77, 197,667.62 and 38,280.52 is: 57,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,774.77 : 197,667.62 = 38,280.52 : x
  2. Step 2: Convert to fraction form
    131,774.77/197,667.62 = 38,280.52/x
  3. Step 3: Cross multiply
    131,774.77x = 197,667.62 × 38,280.52
  4. Step 4: Simplify right side
    131,774.77x = 7,566,818,583.44
  5. Step 5: Solve for x
    x = 7,566,818,583.44/131,774.77
  6. Step 6: Final answer
    x = 57,422.36

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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.