Home / 118,142-177,265.20-61,968.68

Finding the Fourth Proportional to 118,142, 177,265.20 and 61,968.68

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Solution

The fourth proportional to 118,142, 177,265.20 and 61,968.68 is: 92,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,142 : 177,265.20 = 61,968.68 : x
  2. Step 2: Convert to fraction form
    118,142/177,265.20 = 61,968.68/x
  3. Step 3: Cross multiply
    118,142x = 177,265.20 × 61,968.68
  4. Step 4: Simplify right side
    118,142x = 10,984,890,453.94
  5. Step 5: Solve for x
    x = 10,984,890,453.94/118,142
  6. Step 6: Final answer
    x = 92,980.40

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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.