Home / 155,847.32-214,969.57-108,083.24

Finding the Fourth Proportional to 155,847.32, 214,969.57 and 108,083.24

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Solution

The fourth proportional to 155,847.32, 214,969.57 and 108,083.24 is: 149,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847.32 : 214,969.57 = 108,083.24 : x
  2. Step 2: Convert to fraction form
    155,847.32/214,969.57 = 108,083.24/x
  3. Step 3: Cross multiply
    155,847.32x = 214,969.57 × 108,083.24
  4. Step 4: Simplify right side
    155,847.32x = 23,234,606,281.95
  5. Step 5: Solve for x
    x = 23,234,606,281.95/155,847.32
  6. Step 6: Final answer
    x = 149,085.70

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1.5x scale

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.