Home / 142,942.32-214,344-43,083.96

Finding the Fourth Proportional to 142,942.32, 214,344 and 43,083.96

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Solution

The fourth proportional to 142,942.32, 214,344 and 43,083.96 is: 64,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,942.32 : 214,344 = 43,083.96 : x
  2. Step 2: Convert to fraction form
    142,942.32/214,344 = 43,083.96/x
  3. Step 3: Cross multiply
    142,942.32x = 214,344 × 43,083.96
  4. Step 4: Simplify right side
    142,942.32x = 9,234,788,322.24
  5. Step 5: Solve for x
    x = 9,234,788,322.24/142,942.32
  6. Step 6: Final answer
    x = 64,605.00

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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.