Home / 131,439.70-197,228.40-60,383.80

Finding the Fourth Proportional to 131,439.70, 197,228.40 and 60,383.80

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Solution

The fourth proportional to 131,439.70, 197,228.40 and 60,383.80 is: 90,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,439.70 : 197,228.40 = 60,383.80 : x
  2. Step 2: Convert to fraction form
    131,439.70/197,228.40 = 60,383.80/x
  3. Step 3: Cross multiply
    131,439.70x = 197,228.40 × 60,383.80
  4. Step 4: Simplify right side
    131,439.70x = 11,909,400,259.92
  5. Step 5: Solve for x
    x = 11,909,400,259.92/131,439.70
  6. Step 6: Final answer
    x = 90,607.33

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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.