Home / 154,095.23-212,635.58-105,738.64

Finding the Fourth Proportional to 154,095.23, 212,635.58 and 105,738.64

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Solution

The fourth proportional to 154,095.23, 212,635.58 and 105,738.64 is: 145,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095.23 : 212,635.58 = 105,738.64 : x
  2. Step 2: Convert to fraction form
    154,095.23/212,635.58 = 105,738.64/x
  3. Step 3: Cross multiply
    154,095.23x = 212,635.58 × 105,738.64
  4. Step 4: Simplify right side
    154,095.23x = 22,483,795,452.94
  5. Step 5: Solve for x
    x = 22,483,795,452.94/154,095.23
  6. Step 6: Final answer
    x = 145,908.45

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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.