Home / 217,742.70-326,614.08-67,995.81

Finding the Fourth Proportional to 217,742.70, 326,614.08 and 67,995.81

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Solution

The fourth proportional to 217,742.70, 326,614.08 and 67,995.81 is: 101,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742.70 : 326,614.08 = 67,995.81 : x
  2. Step 2: Convert to fraction form
    217,742.70/326,614.08 = 67,995.81/x
  3. Step 3: Cross multiply
    217,742.70x = 326,614.08 × 67,995.81
  4. Step 4: Simplify right side
    217,742.70x = 22,208,388,927.00
  5. Step 5: Solve for x
    x = 22,208,388,927.00/217,742.70
  6. Step 6: Final answer
    x = 101,993.72

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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.