Home / 215,087.29-322,639.15-80,184.93

Finding the Fourth Proportional to 215,087.29, 322,639.15 and 80,184.93

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Solution

The fourth proportional to 215,087.29, 322,639.15 and 80,184.93 is: 120,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,087.29 : 322,639.15 = 80,184.93 : x
  2. Step 2: Convert to fraction form
    215,087.29/322,639.15 = 80,184.93/x
  3. Step 3: Cross multiply
    215,087.29x = 322,639.15 × 80,184.93
  4. Step 4: Simplify right side
    215,087.29x = 25,870,797,658.01
  5. Step 5: Solve for x
    x = 25,870,797,658.01/215,087.29
  6. Step 6: Final answer
    x = 120,280.46

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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.