Home / 155,679.06-214,762.53-149,643.54

Finding the Fourth Proportional to 155,679.06, 214,762.53 and 149,643.54

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Solution

The fourth proportional to 155,679.06, 214,762.53 and 149,643.54 is: 206,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,679.06 : 214,762.53 = 149,643.54 : x
  2. Step 2: Convert to fraction form
    155,679.06/214,762.53 = 149,643.54/x
  3. Step 3: Cross multiply
    155,679.06x = 214,762.53 × 149,643.54
  4. Step 4: Simplify right side
    155,679.06x = 32,137,825,248.56
  5. Step 5: Solve for x
    x = 32,137,825,248.56/155,679.06
  6. Step 6: Final answer
    x = 206,436.40

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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.