Home / 154,659.56-213,429.78-94,230.20

Finding the Fourth Proportional to 154,659.56, 213,429.78 and 94,230.20

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Solution

The fourth proportional to 154,659.56, 213,429.78 and 94,230.20 is: 130,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,659.56 : 213,429.78 = 94,230.20 : x
  2. Step 2: Convert to fraction form
    154,659.56/213,429.78 = 94,230.20/x
  3. Step 3: Cross multiply
    154,659.56x = 213,429.78 × 94,230.20
  4. Step 4: Simplify right side
    154,659.56x = 20,111,530,855.36
  5. Step 5: Solve for x
    x = 20,111,530,855.36/154,659.56
  6. Step 6: Final answer
    x = 130,037.42

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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.