Home / 135,271.07-186,733.86-80,842.44

Finding the Fourth Proportional to 135,271.07, 186,733.86 and 80,842.44

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Solution

The fourth proportional to 135,271.07, 186,733.86 and 80,842.44 is: 111,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,271.07 : 186,733.86 = 80,842.44 : x
  2. Step 2: Convert to fraction form
    135,271.07/186,733.86 = 80,842.44/x
  3. Step 3: Cross multiply
    135,271.07x = 186,733.86 × 80,842.44
  4. Step 4: Simplify right side
    135,271.07x = 15,096,020,873.02
  5. Step 5: Solve for x
    x = 15,096,020,873.02/135,271.07
  6. Step 6: Final answer
    x = 111,598.30

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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.