Home / 143,225.90-214,849.78-43,394.36

Finding the Fourth Proportional to 143,225.90, 214,849.78 and 43,394.36

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Solution

The fourth proportional to 143,225.90, 214,849.78 and 43,394.36 is: 65,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.90 : 214,849.78 = 43,394.36 : x
  2. Step 2: Convert to fraction form
    143,225.90/214,849.78 = 43,394.36/x
  3. Step 3: Cross multiply
    143,225.90x = 214,849.78 × 43,394.36
  4. Step 4: Simplify right side
    143,225.90x = 9,323,268,699.24
  5. Step 5: Solve for x
    x = 9,323,268,699.24/143,225.90
  6. Step 6: Final answer
    x = 65,094.85

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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.