Home / 131,919.60-197,879.40-60,842.10

Finding the Fourth Proportional to 131,919.60, 197,879.40 and 60,842.10

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Solution

The fourth proportional to 131,919.60, 197,879.40 and 60,842.10 is: 91,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,919.60 : 197,879.40 = 60,842.10 : x
  2. Step 2: Convert to fraction form
    131,919.60/197,879.40 = 60,842.10/x
  3. Step 3: Cross multiply
    131,919.60x = 197,879.40 × 60,842.10
  4. Step 4: Simplify right side
    131,919.60x = 12,039,398,242.74
  5. Step 5: Solve for x
    x = 12,039,398,242.74/131,919.60
  6. Step 6: Final answer
    x = 91,263.15

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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.