Home / 215,825.81-323,768.27-73,632.93

Finding the Fourth Proportional to 215,825.81, 323,768.27 and 73,632.93

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Solution

The fourth proportional to 215,825.81, 323,768.27 and 73,632.93 is: 110,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,825.81 : 323,768.27 = 73,632.93 : x
  2. Step 2: Convert to fraction form
    215,825.81/323,768.27 = 73,632.93/x
  3. Step 3: Cross multiply
    215,825.81x = 323,768.27 × 73,632.93
  4. Step 4: Simplify right side
    215,825.81x = 23,840,005,992.97
  5. Step 5: Solve for x
    x = 23,840,005,992.97/215,825.81
  6. Step 6: Final answer
    x = 110,459.48

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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.