Home / 119,277.63-178,912.35-30,531.91

Finding the Fourth Proportional to 119,277.63, 178,912.35 and 30,531.91

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Solution

The fourth proportional to 119,277.63, 178,912.35 and 30,531.91 is: 45,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.63 : 178,912.35 = 30,531.91 : x
  2. Step 2: Convert to fraction form
    119,277.63/178,912.35 = 30,531.91/x
  3. Step 3: Cross multiply
    119,277.63x = 178,912.35 × 30,531.91
  4. Step 4: Simplify right side
    119,277.63x = 5,462,535,320.81
  5. Step 5: Solve for x
    x = 5,462,535,320.81/119,277.63
  6. Step 6: Final answer
    x = 45,796.81

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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.