Home / 254,395.45-351,066.42-139,681.52

Finding the Fourth Proportional to 254,395.45, 351,066.42 and 139,681.52

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Solution

The fourth proportional to 254,395.45, 351,066.42 and 139,681.52 is: 192,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,395.45 : 351,066.42 = 139,681.52 : x
  2. Step 2: Convert to fraction form
    254,395.45/351,066.42 = 139,681.52/x
  3. Step 3: Cross multiply
    254,395.45x = 351,066.42 × 139,681.52
  4. Step 4: Simplify right side
    254,395.45x = 49,037,490,468.15
  5. Step 5: Solve for x
    x = 49,037,490,468.15/254,395.45
  6. Step 6: Final answer
    x = 192,760.88

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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.