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Finding the Fourth Proportional to 134,470.40, 201,705.60 and 112,819.10

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Solution

The fourth proportional to 134,470.40, 201,705.60 and 112,819.10 is: 169,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.40 : 201,705.60 = 112,819.10 : x
  2. Step 2: Convert to fraction form
    134,470.40/201,705.60 = 112,819.10/x
  3. Step 3: Cross multiply
    134,470.40x = 201,705.60 × 112,819.10
  4. Step 4: Simplify right side
    134,470.40x = 22,756,244,256.96
  5. Step 5: Solve for x
    x = 22,756,244,256.96/134,470.40
  6. Step 6: Final answer
    x = 169,228.65

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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.