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Finding the Fourth Proportional to 134,580.20, 201,870.30 and 122,114.30

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Solution

The fourth proportional to 134,580.20, 201,870.30 and 122,114.30 is: 183,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,580.20 : 201,870.30 = 122,114.30 : x
  2. Step 2: Convert to fraction form
    134,580.20/201,870.30 = 122,114.30/x
  3. Step 3: Cross multiply
    134,580.20x = 201,870.30 × 122,114.30
  4. Step 4: Simplify right side
    134,580.20x = 24,651,250,375.29
  5. Step 5: Solve for x
    x = 24,651,250,375.29/134,580.20
  6. Step 6: Final answer
    x = 183,171.45

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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.