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Finding the Fourth Proportional to 149,842.80, 224,326.80 and 134,096.40

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Solution

The fourth proportional to 149,842.80, 224,326.80 and 134,096.40 is: 200,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,842.80 : 224,326.80 = 134,096.40 : x
  2. Step 2: Convert to fraction form
    149,842.80/224,326.80 = 134,096.40/x
  3. Step 3: Cross multiply
    149,842.80x = 224,326.80 × 134,096.40
  4. Step 4: Simplify right side
    149,842.80x = 30,081,416,303.52
  5. Step 5: Solve for x
    x = 30,081,416,303.52/149,842.80
  6. Step 6: Final answer
    x = 200,753.16

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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.