Home / 154,512.27-213,133.81-90,797.67

Finding the Fourth Proportional to 154,512.27, 213,133.81 and 90,797.67

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Solution

The fourth proportional to 154,512.27, 213,133.81 and 90,797.67 is: 125,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,512.27 : 213,133.81 = 90,797.67 : x
  2. Step 2: Convert to fraction form
    154,512.27/213,133.81 = 90,797.67/x
  3. Step 3: Cross multiply
    154,512.27x = 213,133.81 × 90,797.67
  4. Step 4: Simplify right side
    154,512.27x = 19,352,053,346.22
  5. Step 5: Solve for x
    x = 19,352,053,346.22/154,512.27
  6. Step 6: Final answer
    x = 125,246.06

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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.