Home / 217,133.24-325,588.74-90,738.95

Finding the Fourth Proportional to 217,133.24, 325,588.74 and 90,738.95

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Solution

The fourth proportional to 217,133.24, 325,588.74 and 90,738.95 is: 136,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,133.24 : 325,588.74 = 90,738.95 : x
  2. Step 2: Convert to fraction form
    217,133.24/325,588.74 = 90,738.95/x
  3. Step 3: Cross multiply
    217,133.24x = 325,588.74 × 90,738.95
  4. Step 4: Simplify right side
    217,133.24x = 29,543,578,771.48
  5. Step 5: Solve for x
    x = 29,543,578,771.48/217,133.24
  6. Step 6: Final answer
    x = 136,061.98

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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.