Home / 214,437.96-321,669.54-72,271.56

Finding the Fourth Proportional to 214,437.96, 321,669.54 and 72,271.56

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Solution

The fourth proportional to 214,437.96, 321,669.54 and 72,271.56 is: 108,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,437.96 : 321,669.54 = 72,271.56 : x
  2. Step 2: Convert to fraction form
    214,437.96/321,669.54 = 72,271.56/x
  3. Step 3: Cross multiply
    214,437.96x = 321,669.54 × 72,271.56
  4. Step 4: Simplify right side
    214,437.96x = 23,247,559,460.28
  5. Step 5: Solve for x
    x = 23,247,559,460.28/214,437.96
  6. Step 6: Final answer
    x = 108,411.59

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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.