Home / 214,831.64-322,356.54-96,478.76

Finding the Fourth Proportional to 214,831.64, 322,356.54 and 96,478.76

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Solution

The fourth proportional to 214,831.64, 322,356.54 and 96,478.76 is: 144,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,831.64 : 322,356.54 = 96,478.76 : x
  2. Step 2: Convert to fraction form
    214,831.64/322,356.54 = 96,478.76/x
  3. Step 3: Cross multiply
    214,831.64x = 322,356.54 × 96,478.76
  4. Step 4: Simplify right side
    214,831.64x = 31,100,559,257.09
  5. Step 5: Solve for x
    x = 31,100,559,257.09/214,831.64
  6. Step 6: Final answer
    x = 144,767.13

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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.