Home / 155,230.76-214,216.26-101,605.16

Finding the Fourth Proportional to 155,230.76, 214,216.26 and 101,605.16

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Solution

The fourth proportional to 155,230.76, 214,216.26 and 101,605.16 is: 140,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,230.76 : 214,216.26 = 101,605.16 : x
  2. Step 2: Convert to fraction form
    155,230.76/214,216.26 = 101,605.16/x
  3. Step 3: Cross multiply
    155,230.76x = 214,216.26 × 101,605.16
  4. Step 4: Simplify right side
    155,230.76x = 21,765,477,371.90
  5. Step 5: Solve for x
    x = 21,765,477,371.90/155,230.76
  6. Step 6: Final answer
    x = 140,213.69

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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.