Home / 254,429.02-351,118.38-139,718.98

Finding the Fourth Proportional to 254,429.02, 351,118.38 and 139,718.98

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Solution

The fourth proportional to 254,429.02, 351,118.38 and 139,718.98 is: 192,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,429.02 : 351,118.38 = 139,718.98 : x
  2. Step 2: Convert to fraction form
    254,429.02/351,118.38 = 139,718.98/x
  3. Step 3: Cross multiply
    254,429.02x = 351,118.38 × 139,718.98
  4. Step 4: Simplify right side
    254,429.02x = 49,057,901,912.85
  5. Step 5: Solve for x
    x = 49,057,901,912.85/254,429.02
  6. Step 6: Final answer
    x = 192,815.67

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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.