Home / 142,394.02-213,923.19-83,271.31

Finding the Fourth Proportional to 142,394.02, 213,923.19 and 83,271.31

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Solution

The fourth proportional to 142,394.02, 213,923.19 and 83,271.31 is: 125,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.02 : 213,923.19 = 83,271.31 : x
  2. Step 2: Convert to fraction form
    142,394.02/213,923.19 = 83,271.31/x
  3. Step 3: Cross multiply
    142,394.02x = 213,923.19 × 83,271.31
  4. Step 4: Simplify right side
    142,394.02x = 17,813,664,270.68
  5. Step 5: Solve for x
    x = 17,813,664,270.68/142,394.02
  6. Step 6: Final answer
    x = 125,101.21

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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.