Home / 70,177.04-105,205.88-30,704.72

Finding the Fourth Proportional to 70,177.04, 105,205.88 and 30,704.72

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Solution

The fourth proportional to 70,177.04, 105,205.88 and 30,704.72 is: 46,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,177.04 : 105,205.88 = 30,704.72 : x
  2. Step 2: Convert to fraction form
    70,177.04/105,205.88 = 30,704.72/x
  3. Step 3: Cross multiply
    70,177.04x = 105,205.88 × 30,704.72
  4. Step 4: Simplify right side
    70,177.04x = 3,230,317,087.75
  5. Step 5: Solve for x
    x = 3,230,317,087.75/70,177.04
  6. Step 6: Final answer
    x = 46,030.97

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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.