Home / 254,650.12-351,417.06-139,936.15

Finding the Fourth Proportional to 254,650.12, 351,417.06 and 139,936.15

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Solution

The fourth proportional to 254,650.12, 351,417.06 and 139,936.15 is: 193,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,650.12 : 351,417.06 = 139,936.15 : x
  2. Step 2: Convert to fraction form
    254,650.12/351,417.06 = 139,936.15/x
  3. Step 3: Cross multiply
    254,650.12x = 351,417.06 × 139,936.15
  4. Step 4: Simplify right side
    254,650.12x = 49,175,950,420.72
  5. Step 5: Solve for x
    x = 49,175,950,420.72/254,650.12
  6. Step 6: Final answer
    x = 193,111.83

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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.