Home / 155,623.55-214,762.52-91,132.97

Finding the Fourth Proportional to 155,623.55, 214,762.52 and 91,132.97

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Solution

The fourth proportional to 155,623.55, 214,762.52 and 91,132.97 is: 125,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,623.55 : 214,762.52 = 91,132.97 : x
  2. Step 2: Convert to fraction form
    155,623.55/214,762.52 = 91,132.97/x
  3. Step 3: Cross multiply
    155,623.55x = 214,762.52 × 91,132.97
  4. Step 4: Simplify right side
    155,623.55x = 19,571,945,446.30
  5. Step 5: Solve for x
    x = 19,571,945,446.30/155,623.55
  6. Step 6: Final answer
    x = 125,764.68

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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.