Home / 74,130.66-111,179.31-34,111.25

Finding the Fourth Proportional to 74,130.66, 111,179.31 and 34,111.25

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Solution

The fourth proportional to 74,130.66, 111,179.31 and 34,111.25 is: 51,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.66 : 111,179.31 = 34,111.25 : x
  2. Step 2: Convert to fraction form
    74,130.66/111,179.31 = 34,111.25/x
  3. Step 3: Cross multiply
    74,130.66x = 111,179.31 × 34,111.25
  4. Step 4: Simplify right side
    74,130.66x = 3,792,465,788.61
  5. Step 5: Solve for x
    x = 3,792,465,788.61/74,130.66
  6. Step 6: Final answer
    x = 51,159.21

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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.