Home / 155,416.33-214,474.86-91,758.23

Finding the Fourth Proportional to 155,416.33, 214,474.86 and 91,758.23

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Solution

The fourth proportional to 155,416.33, 214,474.86 and 91,758.23 is: 126,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,416.33 : 214,474.86 = 91,758.23 : x
  2. Step 2: Convert to fraction form
    155,416.33/214,474.86 = 91,758.23/x
  3. Step 3: Cross multiply
    155,416.33x = 214,474.86 × 91,758.23
  4. Step 4: Simplify right side
    155,416.33x = 19,679,832,460.72
  5. Step 5: Solve for x
    x = 19,679,832,460.72/155,416.33
  6. Step 6: Final answer
    x = 126,626.54

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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.