Home / 142,574.63-214,138.73-104,986.25

Finding the Fourth Proportional to 142,574.63, 214,138.73 and 104,986.25

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Solution

The fourth proportional to 142,574.63, 214,138.73 and 104,986.25 is: 157,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,574.63 : 214,138.73 = 104,986.25 : x
  2. Step 2: Convert to fraction form
    142,574.63/214,138.73 = 104,986.25/x
  3. Step 3: Cross multiply
    142,574.63x = 214,138.73 × 104,986.25
  4. Step 4: Simplify right side
    142,574.63x = 22,481,621,434.23
  5. Step 5: Solve for x
    x = 22,481,621,434.23/142,574.63
  6. Step 6: Final answer
    x = 157,683.19

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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.