Home / 81,318.19-122,089.22-41,364.21

Finding the Fourth Proportional to 81,318.19, 122,089.22 and 41,364.21

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Solution

The fourth proportional to 81,318.19, 122,089.22 and 41,364.21 is: 62,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,318.19 : 122,089.22 = 41,364.21 : x
  2. Step 2: Convert to fraction form
    81,318.19/122,089.22 = 41,364.21/x
  3. Step 3: Cross multiply
    81,318.19x = 122,089.22 × 41,364.21
  4. Step 4: Simplify right side
    81,318.19x = 5,050,124,184.58
  5. Step 5: Solve for x
    x = 5,050,124,184.58/81,318.19
  6. Step 6: Final answer
    x = 62,103.26

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1.5x scale

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.