Home / 119,954.45-179,931.90-31,207.81

Finding the Fourth Proportional to 119,954.45, 179,931.90 and 31,207.81

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Solution

The fourth proportional to 119,954.45, 179,931.90 and 31,207.81 is: 46,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,954.45 : 179,931.90 = 31,207.81 : x
  2. Step 2: Convert to fraction form
    119,954.45/179,931.90 = 31,207.81/x
  3. Step 3: Cross multiply
    119,954.45x = 179,931.90 × 31,207.81
  4. Step 4: Simplify right side
    119,954.45x = 5,615,280,548.14
  5. Step 5: Solve for x
    x = 5,615,280,548.14/119,954.45
  6. Step 6: Final answer
    x = 46,811.77

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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.