Home / 134,774.89-185,987.04-74,351.32

Finding the Fourth Proportional to 134,774.89, 185,987.04 and 74,351.32

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Solution

The fourth proportional to 134,774.89, 185,987.04 and 74,351.32 is: 102,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.89 : 185,987.04 = 74,351.32 : x
  2. Step 2: Convert to fraction form
    134,774.89/185,987.04 = 74,351.32/x
  3. Step 3: Cross multiply
    134,774.89x = 185,987.04 × 74,351.32
  4. Step 4: Simplify right side
    134,774.89x = 13,828,381,183.11
  5. Step 5: Solve for x
    x = 13,828,381,183.11/134,774.89
  6. Step 6: Final answer
    x = 102,603.54

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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.