Home / 103,972.21-155,968.13-29,092.36

Finding the Fourth Proportional to 103,972.21, 155,968.13 and 29,092.36

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Solution

The fourth proportional to 103,972.21, 155,968.13 and 29,092.36 is: 43,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972.21 : 155,968.13 = 29,092.36 : x
  2. Step 2: Convert to fraction form
    103,972.21/155,968.13 = 29,092.36/x
  3. Step 3: Cross multiply
    103,972.21x = 155,968.13 × 29,092.36
  4. Step 4: Simplify right side
    103,972.21x = 4,537,480,986.49
  5. Step 5: Solve for x
    x = 4,537,480,986.49/103,972.21
  6. Step 6: Final answer
    x = 43,641.29

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1.5x scale

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.