Home / 131,733.54-197,262-72,503.10

Finding the Fourth Proportional to 131,733.54, 197,262 and 72,503.10

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Solution

The fourth proportional to 131,733.54, 197,262 and 72,503.10 is: 108,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,733.54 : 197,262 = 72,503.10 : x
  2. Step 2: Convert to fraction form
    131,733.54/197,262 = 72,503.10/x
  3. Step 3: Cross multiply
    131,733.54x = 197,262 × 72,503.10
  4. Step 4: Simplify right side
    131,733.54x = 14,302,106,512.20
  5. Step 5: Solve for x
    x = 14,302,106,512.20/131,733.54
  6. Step 6: Final answer
    x = 108,568.45

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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.