Home / 117,975.47-176,815.50-92,916.57

Finding the Fourth Proportional to 117,975.47, 176,815.50 and 92,916.57

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Solution

The fourth proportional to 117,975.47, 176,815.50 and 92,916.57 is: 139,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,975.47 : 176,815.50 = 92,916.57 : x
  2. Step 2: Convert to fraction form
    117,975.47/176,815.50 = 92,916.57/x
  3. Step 3: Cross multiply
    117,975.47x = 176,815.50 × 92,916.57
  4. Step 4: Simplify right side
    117,975.47x = 16,429,089,782.84
  5. Step 5: Solve for x
    x = 16,429,089,782.84/117,975.47
  6. Step 6: Final answer
    x = 139,258.53

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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.