Home / 143,105.60-214,815.36-113,712.32

Finding the Fourth Proportional to 143,105.60, 214,815.36 and 113,712.32

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Solution

The fourth proportional to 143,105.60, 214,815.36 and 113,712.32 is: 170,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,105.60 : 214,815.36 = 113,712.32 : x
  2. Step 2: Convert to fraction form
    143,105.60/214,815.36 = 113,712.32/x
  3. Step 3: Cross multiply
    143,105.60x = 214,815.36 × 113,712.32
  4. Step 4: Simplify right side
    143,105.60x = 24,427,152,957.24
  5. Step 5: Solve for x
    x = 24,427,152,957.24/143,105.60
  6. Step 6: Final answer
    x = 170,693.20

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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.