Home / 143,243.04-214,864.80-49,683

Finding the Fourth Proportional to 143,243.04, 214,864.80 and 49,683

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Solution

The fourth proportional to 143,243.04, 214,864.80 and 49,683 is: 74,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,243.04 : 214,864.80 = 49,683 : x
  2. Step 2: Convert to fraction form
    143,243.04/214,864.80 = 49,683/x
  3. Step 3: Cross multiply
    143,243.04x = 214,864.80 × 49,683
  4. Step 4: Simplify right side
    143,243.04x = 10,675,127,858.40
  5. Step 5: Solve for x
    x = 10,675,127,858.40/143,243.04
  6. Step 6: Final answer
    x = 74,524.58

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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.