Home / 134,168.66-201,289.28-45,422.18

Finding the Fourth Proportional to 134,168.66, 201,289.28 and 45,422.18

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Solution

The fourth proportional to 134,168.66, 201,289.28 and 45,422.18 is: 68,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,168.66 : 201,289.28 = 45,422.18 : x
  2. Step 2: Convert to fraction form
    134,168.66/201,289.28 = 45,422.18/x
  3. Step 3: Cross multiply
    134,168.66x = 201,289.28 × 45,422.18
  4. Step 4: Simplify right side
    134,168.66x = 9,142,997,908.23
  5. Step 5: Solve for x
    x = 9,142,997,908.23/134,168.66
  6. Step 6: Final answer
    x = 68,145.56

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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.