Home / 149,343.14-223,498.04-143,143.00

Finding the Fourth Proportional to 149,343.14, 223,498.04 and 143,143.00

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Solution

The fourth proportional to 149,343.14, 223,498.04 and 143,143.00 is: 214,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,343.14 : 223,498.04 = 143,143.00 : x
  2. Step 2: Convert to fraction form
    149,343.14/223,498.04 = 143,143.00/x
  3. Step 3: Cross multiply
    149,343.14x = 223,498.04 × 143,143.00
  4. Step 4: Simplify right side
    149,343.14x = 31,992,178,665.26
  5. Step 5: Solve for x
    x = 31,992,178,665.26/149,343.14
  6. Step 6: Final answer
    x = 214,219.27

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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.