Home / 179,678.85-247,958.31-99,109.09

Finding the Fourth Proportional to 179,678.85, 247,958.31 and 99,109.09

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Solution

The fourth proportional to 179,678.85, 247,958.31 and 99,109.09 is: 136,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,678.85 : 247,958.31 = 99,109.09 : x
  2. Step 2: Convert to fraction form
    179,678.85/247,958.31 = 99,109.09/x
  3. Step 3: Cross multiply
    179,678.85x = 247,958.31 × 99,109.09
  4. Step 4: Simplify right side
    179,678.85x = 24,574,922,462.04
  5. Step 5: Solve for x
    x = 24,574,922,462.04/179,678.85
  6. Step 6: Final answer
    x = 136,771.37

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1.5x scale

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.