Home / 154,165.18-212,782.24-93,723

Finding the Fourth Proportional to 154,165.18, 212,782.24 and 93,723

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Solution

The fourth proportional to 154,165.18, 212,782.24 and 93,723 is: 129,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,165.18 : 212,782.24 = 93,723 : x
  2. Step 2: Convert to fraction form
    154,165.18/212,782.24 = 93,723/x
  3. Step 3: Cross multiply
    154,165.18x = 212,782.24 × 93,723
  4. Step 4: Simplify right side
    154,165.18x = 19,942,589,879.52
  5. Step 5: Solve for x
    x = 19,942,589,879.52/154,165.18
  6. Step 6: Final answer
    x = 129,358.59

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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.