Home / 178,256.50-245,993.97-106,639.54

Finding the Fourth Proportional to 178,256.50, 245,993.97 and 106,639.54

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Solution

The fourth proportional to 178,256.50, 245,993.97 and 106,639.54 is: 147,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,256.50 : 245,993.97 = 106,639.54 : x
  2. Step 2: Convert to fraction form
    178,256.50/245,993.97 = 106,639.54/x
  3. Step 3: Cross multiply
    178,256.50x = 245,993.97 × 106,639.54
  4. Step 4: Simplify right side
    178,256.50x = 26,232,683,803.57
  5. Step 5: Solve for x
    x = 26,232,683,803.57/178,256.50
  6. Step 6: Final answer
    x = 147,162.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.