Home / 118,584.72-177,890.40-39,704.40

Finding the Fourth Proportional to 118,584.72, 177,890.40 and 39,704.40

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Solution

The fourth proportional to 118,584.72, 177,890.40 and 39,704.40 is: 59,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,584.72 : 177,890.40 = 39,704.40 : x
  2. Step 2: Convert to fraction form
    118,584.72/177,890.40 = 39,704.40/x
  3. Step 3: Cross multiply
    118,584.72x = 177,890.40 × 39,704.40
  4. Step 4: Simplify right side
    118,584.72x = 7,063,031,597.76
  5. Step 5: Solve for x
    x = 7,063,031,597.76/118,584.72
  6. Step 6: Final answer
    x = 59,561.06

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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.