Home / 501,865.63-752,827.68-142,006.36

Finding the Fourth Proportional to 501,865.63, 752,827.68 and 142,006.36

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Solution

The fourth proportional to 501,865.63, 752,827.68 and 142,006.36 is: 213,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,865.63 : 752,827.68 = 142,006.36 : x
  2. Step 2: Convert to fraction form
    501,865.63/752,827.68 = 142,006.36/x
  3. Step 3: Cross multiply
    501,865.63x = 752,827.68 × 142,006.36
  4. Step 4: Simplify right side
    501,865.63x = 106,906,318,544.05
  5. Step 5: Solve for x
    x = 106,906,318,544.05/501,865.63
  6. Step 6: Final answer
    x = 213,017.81

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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.