Home / 134,168.54-201,289.10-45,422.05

Finding the Fourth Proportional to 134,168.54, 201,289.10 and 45,422.05

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Solution

The fourth proportional to 134,168.54, 201,289.10 and 45,422.05 is: 68,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,168.54 : 201,289.10 = 45,422.05 : x
  2. Step 2: Convert to fraction form
    134,168.54/201,289.10 = 45,422.05/x
  3. Step 3: Cross multiply
    134,168.54x = 201,289.10 × 45,422.05
  4. Step 4: Simplify right side
    134,168.54x = 9,142,963,564.66
  5. Step 5: Solve for x
    x = 9,142,963,564.66/134,168.54
  6. Step 6: Final answer
    x = 68,145.36

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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.