Home / 214,756.01-321,643.31-102,515.02

Finding the Fourth Proportional to 214,756.01, 321,643.31 and 102,515.02

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Solution

The fourth proportional to 214,756.01, 321,643.31 and 102,515.02 is: 153,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,756.01 : 321,643.31 = 102,515.02 : x
  2. Step 2: Convert to fraction form
    214,756.01/321,643.31 = 102,515.02/x
  3. Step 3: Cross multiply
    214,756.01x = 321,643.31 × 102,515.02
  4. Step 4: Simplify right side
    214,756.01x = 32,973,269,040.83
  5. Step 5: Solve for x
    x = 32,973,269,040.83/214,756.01
  6. Step 6: Final answer
    x = 153,538.28

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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.