Home / 131,078.28-196,681.50-61,006.44

Finding the Fourth Proportional to 131,078.28, 196,681.50 and 61,006.44

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Solution

The fourth proportional to 131,078.28, 196,681.50 and 61,006.44 is: 91,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,078.28 : 196,681.50 = 61,006.44 : x
  2. Step 2: Convert to fraction form
    131,078.28/196,681.50 = 61,006.44/x
  3. Step 3: Cross multiply
    131,078.28x = 196,681.50 × 61,006.44
  4. Step 4: Simplify right side
    131,078.28x = 11,998,838,128.86
  5. Step 5: Solve for x
    x = 11,998,838,128.86/131,078.28
  6. Step 6: Final answer
    x = 91,539.48

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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.