Home / 94,214.40-140,527.92-87,682.56

Finding the Fourth Proportional to 94,214.40, 140,527.92 and 87,682.56

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Solution

The fourth proportional to 94,214.40, 140,527.92 and 87,682.56 is: 130,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,214.40 : 140,527.92 = 87,682.56 : x
  2. Step 2: Convert to fraction form
    94,214.40/140,527.92 = 87,682.56/x
  3. Step 3: Cross multiply
    94,214.40x = 140,527.92 × 87,682.56
  4. Step 4: Simplify right side
    94,214.40x = 12,321,847,777.08
  5. Step 5: Solve for x
    x = 12,321,847,777.08/94,214.40
  6. Step 6: Final answer
    x = 130,785.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.