Home / 158,150.22-218,245.36-86,529.21

Finding the Fourth Proportional to 158,150.22, 218,245.36 and 86,529.21

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Solution

The fourth proportional to 158,150.22, 218,245.36 and 86,529.21 is: 119,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,150.22 : 218,245.36 = 86,529.21 : x
  2. Step 2: Convert to fraction form
    158,150.22/218,245.36 = 86,529.21/x
  3. Step 3: Cross multiply
    158,150.22x = 218,245.36 × 86,529.21
  4. Step 4: Simplify right side
    158,150.22x = 18,884,598,586.97
  5. Step 5: Solve for x
    x = 18,884,598,586.97/158,150.22
  6. Step 6: Final answer
    x = 119,409.25

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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.