Home / 131,412.60-197,153.46-68,236.92

Finding the Fourth Proportional to 131,412.60, 197,153.46 and 68,236.92

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Solution

The fourth proportional to 131,412.60, 197,153.46 and 68,236.92 is: 102,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412.60 : 197,153.46 = 68,236.92 : x
  2. Step 2: Convert to fraction form
    131,412.60/197,153.46 = 68,236.92/x
  3. Step 3: Cross multiply
    131,412.60x = 197,153.46 × 68,236.92
  4. Step 4: Simplify right side
    131,412.60x = 13,453,144,877.74
  5. Step 5: Solve for x
    x = 13,453,144,877.74/131,412.60
  6. Step 6: Final answer
    x = 102,373.33

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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.