Home / 216,536.64-324,831.36-91,835.52

Finding the Fourth Proportional to 216,536.64, 324,831.36 and 91,835.52

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Solution

The fourth proportional to 216,536.64, 324,831.36 and 91,835.52 is: 137,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,536.64 : 324,831.36 = 91,835.52 : x
  2. Step 2: Convert to fraction form
    216,536.64/324,831.36 = 91,835.52/x
  3. Step 3: Cross multiply
    216,536.64x = 324,831.36 × 91,835.52
  4. Step 4: Simplify right side
    216,536.64x = 29,831,056,857.91
  5. Step 5: Solve for x
    x = 29,831,056,857.91/216,536.64
  6. Step 6: Final answer
    x = 137,764.48

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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.