Home / 131,580.57-197,383.35-36,810.77

Finding the Fourth Proportional to 131,580.57, 197,383.35 and 36,810.77

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Solution

The fourth proportional to 131,580.57, 197,383.35 and 36,810.77 is: 55,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,580.57 : 197,383.35 = 36,810.77 : x
  2. Step 2: Convert to fraction form
    131,580.57/197,383.35 = 36,810.77/x
  3. Step 3: Cross multiply
    131,580.57x = 197,383.35 × 36,810.77
  4. Step 4: Simplify right side
    131,580.57x = 7,265,832,111.76
  5. Step 5: Solve for x
    x = 7,265,832,111.76/131,580.57
  6. Step 6: Final answer
    x = 55,219.64

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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.