Home / 119,956.45-179,934.90-31,209.81

Finding the Fourth Proportional to 119,956.45, 179,934.90 and 31,209.81

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Solution

The fourth proportional to 119,956.45, 179,934.90 and 31,209.81 is: 46,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,956.45 : 179,934.90 = 31,209.81 : x
  2. Step 2: Convert to fraction form
    119,956.45/179,934.90 = 31,209.81/x
  3. Step 3: Cross multiply
    119,956.45x = 179,934.90 × 31,209.81
  4. Step 4: Simplify right side
    119,956.45x = 5,615,734,041.37
  5. Step 5: Solve for x
    x = 5,615,734,041.37/119,956.45
  6. Step 6: Final answer
    x = 46,814.77

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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.