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Finding the Fourth Proportional to 113,476.40, 170,214.60 and 96,563.60

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Solution

The fourth proportional to 113,476.40, 170,214.60 and 96,563.60 is: 144,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.40 : 170,214.60 = 96,563.60 : x
  2. Step 2: Convert to fraction form
    113,476.40/170,214.60 = 96,563.60/x
  3. Step 3: Cross multiply
    113,476.40x = 170,214.60 × 96,563.60
  4. Step 4: Simplify right side
    113,476.40x = 16,436,534,548.56
  5. Step 5: Solve for x
    x = 16,436,534,548.56/113,476.40
  6. Step 6: Final answer
    x = 144,845.40

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1.5x scale

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.