Home / 76,304.02-114,453.60-20,142.40

Finding the Fourth Proportional to 76,304.02, 114,453.60 and 20,142.40

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Solution

The fourth proportional to 76,304.02, 114,453.60 and 20,142.40 is: 30,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,304.02 : 114,453.60 = 20,142.40 : x
  2. Step 2: Convert to fraction form
    76,304.02/114,453.60 = 20,142.40/x
  3. Step 3: Cross multiply
    76,304.02x = 114,453.60 × 20,142.40
  4. Step 4: Simplify right side
    76,304.02x = 2,305,370,192.64
  5. Step 5: Solve for x
    x = 2,305,370,192.64/76,304.02
  6. Step 6: Final answer
    x = 30,212.96

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1.5x scale

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.