Home / 254,532.79-381,882.22-121,395.74

Finding the Fourth Proportional to 254,532.79, 381,882.22 and 121,395.74

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Solution

The fourth proportional to 254,532.79, 381,882.22 and 121,395.74 is: 182,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,532.79 : 381,882.22 = 121,395.74 : x
  2. Step 2: Convert to fraction form
    254,532.79/381,882.22 = 121,395.74/x
  3. Step 3: Cross multiply
    254,532.79x = 381,882.22 × 121,395.74
  4. Step 4: Simplify right side
    254,532.79x = 46,358,875,796.19
  5. Step 5: Solve for x
    x = 46,358,875,796.19/254,532.79
  6. Step 6: Final answer
    x = 182,133.22

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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.