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Finding the Fourth Proportional to 113,350.70, 170,090.85 and 43,280.30

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Solution

The fourth proportional to 113,350.70, 170,090.85 and 43,280.30 is: 64,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,350.70 : 170,090.85 = 43,280.30 : x
  2. Step 2: Convert to fraction form
    113,350.70/170,090.85 = 43,280.30/x
  3. Step 3: Cross multiply
    113,350.70x = 170,090.85 × 43,280.30
  4. Step 4: Simplify right side
    113,350.70x = 7,361,583,015.26
  5. Step 5: Solve for x
    x = 7,361,583,015.26/113,350.70
  6. Step 6: Final answer
    x = 64,945.19

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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.