Home / 129,503.16-194,289.30-46,405.56

Finding the Fourth Proportional to 129,503.16, 194,289.30 and 46,405.56

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Solution

The fourth proportional to 129,503.16, 194,289.30 and 46,405.56 is: 69,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503.16 : 194,289.30 = 46,405.56 : x
  2. Step 2: Convert to fraction form
    129,503.16/194,289.30 = 46,405.56/x
  3. Step 3: Cross multiply
    129,503.16x = 194,289.30 × 46,405.56
  4. Step 4: Simplify right side
    129,503.16x = 9,016,103,768.51
  5. Step 5: Solve for x
    x = 9,016,103,768.51/129,503.16
  6. Step 6: Final answer
    x = 69,620.72

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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.