Home / 216,923.94-325,332.81-90,565.23

Finding the Fourth Proportional to 216,923.94, 325,332.81 and 90,565.23

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Solution

The fourth proportional to 216,923.94, 325,332.81 and 90,565.23 is: 135,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,923.94 : 325,332.81 = 90,565.23 : x
  2. Step 2: Convert to fraction form
    216,923.94/325,332.81 = 90,565.23/x
  3. Step 3: Cross multiply
    216,923.94x = 325,332.81 × 90,565.23
  4. Step 4: Simplify right side
    216,923.94x = 29,463,839,137.53
  5. Step 5: Solve for x
    x = 29,463,839,137.53/216,923.94
  6. Step 6: Final answer
    x = 135,825.67

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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.