Home / 154,626.03-213,380.31-90,967.92

Finding the Fourth Proportional to 154,626.03, 213,380.31 and 90,967.92

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Solution

The fourth proportional to 154,626.03, 213,380.31 and 90,967.92 is: 125,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,626.03 : 213,380.31 = 90,967.92 : x
  2. Step 2: Convert to fraction form
    154,626.03/213,380.31 = 90,967.92/x
  3. Step 3: Cross multiply
    154,626.03x = 213,380.31 × 90,967.92
  4. Step 4: Simplify right side
    154,626.03x = 19,410,762,969.66
  5. Step 5: Solve for x
    x = 19,410,762,969.66/154,626.03
  6. Step 6: Final answer
    x = 125,533.60

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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.