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Finding the Fourth Proportional to 131,047.54, 196,250.55 and 60,946.90

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Solution

The fourth proportional to 131,047.54, 196,250.55 and 60,946.90 is: 91,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,047.54 : 196,250.55 = 60,946.90 : x
  2. Step 2: Convert to fraction form
    131,047.54/196,250.55 = 60,946.90/x
  3. Step 3: Cross multiply
    131,047.54x = 196,250.55 × 60,946.90
  4. Step 4: Simplify right side
    131,047.54x = 11,960,862,645.80
  5. Step 5: Solve for x
    x = 11,960,862,645.80/131,047.54
  6. Step 6: Final answer
    x = 91,271.17

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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.