Home / 214,129.07-321,168.75-56,369.82

Finding the Fourth Proportional to 214,129.07, 321,168.75 and 56,369.82

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Solution

The fourth proportional to 214,129.07, 321,168.75 and 56,369.82 is: 84,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,129.07 : 321,168.75 = 56,369.82 : x
  2. Step 2: Convert to fraction form
    214,129.07/321,168.75 = 56,369.82/x
  3. Step 3: Cross multiply
    214,129.07x = 321,168.75 × 56,369.82
  4. Step 4: Simplify right side
    214,129.07x = 18,104,224,627.13
  5. Step 5: Solve for x
    x = 18,104,224,627.13/214,129.07
  6. Step 6: Final answer
    x = 84,548.19

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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.