Home / 194,650.72-268,618-109,767.68

Finding the Fourth Proportional to 194,650.72, 268,618 and 109,767.68

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Solution

The fourth proportional to 194,650.72, 268,618 and 109,767.68 is: 151,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,650.72 : 268,618 = 109,767.68 : x
  2. Step 2: Convert to fraction form
    194,650.72/268,618 = 109,767.68/x
  3. Step 3: Cross multiply
    194,650.72x = 268,618 × 109,767.68
  4. Step 4: Simplify right side
    194,650.72x = 29,485,574,666.24
  5. Step 5: Solve for x
    x = 29,485,574,666.24/194,650.72
  6. Step 6: Final answer
    x = 151,479.40

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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.