Home / 134,724.12-185,918.16-74,297.28

Finding the Fourth Proportional to 134,724.12, 185,918.16 and 74,297.28

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Solution

The fourth proportional to 134,724.12, 185,918.16 and 74,297.28 is: 102,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.12 : 185,918.16 = 74,297.28 : x
  2. Step 2: Convert to fraction form
    134,724.12/185,918.16 = 74,297.28/x
  3. Step 3: Cross multiply
    134,724.12x = 185,918.16 × 74,297.28
  4. Step 4: Simplify right side
    134,724.12x = 13,813,213,590.60
  5. Step 5: Solve for x
    x = 13,813,213,590.60/134,724.12
  6. Step 6: Final answer
    x = 102,529.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.