Home / 199,848.72-299,624.84-120,944.18

Finding the Fourth Proportional to 199,848.72, 299,624.84 and 120,944.18

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Solution

The fourth proportional to 199,848.72, 299,624.84 and 120,944.18 is: 181,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,848.72 : 299,624.84 = 120,944.18 : x
  2. Step 2: Convert to fraction form
    199,848.72/299,624.84 = 120,944.18/x
  3. Step 3: Cross multiply
    199,848.72x = 299,624.84 × 120,944.18
  4. Step 4: Simplify right side
    199,848.72x = 36,237,880,581.43
  5. Step 5: Solve for x
    x = 36,237,880,581.43/199,848.72
  6. Step 6: Final answer
    x = 181,326.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.