Home / 140,774.32-211,182.07-40,921.54

Finding the Fourth Proportional to 140,774.32, 211,182.07 and 40,921.54

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Solution

The fourth proportional to 140,774.32, 211,182.07 and 40,921.54 is: 61,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,774.32 : 211,182.07 = 40,921.54 : x
  2. Step 2: Convert to fraction form
    140,774.32/211,182.07 = 40,921.54/x
  3. Step 3: Cross multiply
    140,774.32x = 211,182.07 × 40,921.54
  4. Step 4: Simplify right side
    140,774.32x = 8,641,894,894.53
  5. Step 5: Solve for x
    x = 8,641,894,894.53/140,774.32
  6. Step 6: Final answer
    x = 61,388.29

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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.