Home / 126,583.62-174,526.61-81,181.50

Finding the Fourth Proportional to 126,583.62, 174,526.61 and 81,181.50

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Solution

The fourth proportional to 126,583.62, 174,526.61 and 81,181.50 is: 111,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.62 : 174,526.61 = 81,181.50 : x
  2. Step 2: Convert to fraction form
    126,583.62/174,526.61 = 81,181.50/x
  3. Step 3: Cross multiply
    126,583.62x = 174,526.61 × 81,181.50
  4. Step 4: Simplify right side
    126,583.62x = 14,168,331,989.72
  5. Step 5: Solve for x
    x = 14,168,331,989.72/126,583.62
  6. Step 6: Final answer
    x = 111,928.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.