Home / 131,581.19-197,384.29-36,811.39

Finding the Fourth Proportional to 131,581.19, 197,384.29 and 36,811.39

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Solution

The fourth proportional to 131,581.19, 197,384.29 and 36,811.39 is: 55,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.19 : 197,384.29 = 36,811.39 : x
  2. Step 2: Convert to fraction form
    131,581.19/197,384.29 = 36,811.39/x
  3. Step 3: Cross multiply
    131,581.19x = 197,384.29 × 36,811.39
  4. Step 4: Simplify right side
    131,581.19x = 7,265,990,079.06
  5. Step 5: Solve for x
    x = 7,265,990,079.06/131,581.19
  6. Step 6: Final answer
    x = 55,220.58

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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.