Home / 154,460.44-213,105.84-86,467.40

Finding the Fourth Proportional to 154,460.44, 213,105.84 and 86,467.40

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Solution

The fourth proportional to 154,460.44, 213,105.84 and 86,467.40 is: 119,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,460.44 : 213,105.84 = 86,467.40 : x
  2. Step 2: Convert to fraction form
    154,460.44/213,105.84 = 86,467.40/x
  3. Step 3: Cross multiply
    154,460.44x = 213,105.84 × 86,467.40
  4. Step 4: Simplify right side
    154,460.44x = 18,426,707,909.62
  5. Step 5: Solve for x
    x = 18,426,707,909.62/154,460.44
  6. Step 6: Final answer
    x = 119,297.26

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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.