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Finding the Fourth Proportional to 143,537.60, 214,917.60 and 112,433.60

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Solution

The fourth proportional to 143,537.60, 214,917.60 and 112,433.60 is: 168,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,537.60 : 214,917.60 = 112,433.60 : x
  2. Step 2: Convert to fraction form
    143,537.60/214,917.60 = 112,433.60/x
  3. Step 3: Cross multiply
    143,537.60x = 214,917.60 × 112,433.60
  4. Step 4: Simplify right side
    143,537.60x = 24,163,959,471.36
  5. Step 5: Solve for x
    x = 24,163,959,471.36/143,537.60
  6. Step 6: Final answer
    x = 168,345.85

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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.