Home / 131,251.40-196,877.10-72,056.60

Finding the Fourth Proportional to 131,251.40, 196,877.10 and 72,056.60

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Solution

The fourth proportional to 131,251.40, 196,877.10 and 72,056.60 is: 108,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,251.40 : 196,877.10 = 72,056.60 : x
  2. Step 2: Convert to fraction form
    131,251.40/196,877.10 = 72,056.60/x
  3. Step 3: Cross multiply
    131,251.40x = 196,877.10 × 72,056.60
  4. Step 4: Simplify right side
    131,251.40x = 14,186,294,443.86
  5. Step 5: Solve for x
    x = 14,186,294,443.86/131,251.40
  6. Step 6: Final answer
    x = 108,084.90

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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.