Home / 214,303.57-321,522.27-129,007.81

Finding the Fourth Proportional to 214,303.57, 321,522.27 and 129,007.81

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Solution

The fourth proportional to 214,303.57, 321,522.27 and 129,007.81 is: 193,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,303.57 : 321,522.27 = 129,007.81 : x
  2. Step 2: Convert to fraction form
    214,303.57/321,522.27 = 129,007.81/x
  3. Step 3: Cross multiply
    214,303.57x = 321,522.27 × 129,007.81
  4. Step 4: Simplify right side
    214,303.57x = 41,478,883,918.93
  5. Step 5: Solve for x
    x = 41,478,883,918.93/214,303.57
  6. Step 6: Final answer
    x = 193,552.00

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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.