Home / 72,193.14-108,255.47-42,216.08

Finding the Fourth Proportional to 72,193.14, 108,255.47 and 42,216.08

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Solution

The fourth proportional to 72,193.14, 108,255.47 and 42,216.08 is: 63,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.14 : 108,255.47 = 42,216.08 : x
  2. Step 2: Convert to fraction form
    72,193.14/108,255.47 = 42,216.08/x
  3. Step 3: Cross multiply
    72,193.14x = 108,255.47 × 42,216.08
  4. Step 4: Simplify right side
    72,193.14x = 4,570,120,829.60
  5. Step 5: Solve for x
    x = 4,570,120,829.60/72,193.14
  6. Step 6: Final answer
    x = 63,304.09

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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.