Home / 154,566.16-213,303.52-90,033.75

Finding the Fourth Proportional to 154,566.16, 213,303.52 and 90,033.75

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Solution

The fourth proportional to 154,566.16, 213,303.52 and 90,033.75 is: 124,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,566.16 : 213,303.52 = 90,033.75 : x
  2. Step 2: Convert to fraction form
    154,566.16/213,303.52 = 90,033.75/x
  3. Step 3: Cross multiply
    154,566.16x = 213,303.52 × 90,033.75
  4. Step 4: Simplify right side
    154,566.16x = 19,204,515,906.34
  5. Step 5: Solve for x
    x = 19,204,515,906.34/154,566.16
  6. Step 6: Final answer
    x = 124,247.87

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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.