Home / 254,532.54-381,881.85-121,395.51

Finding the Fourth Proportional to 254,532.54, 381,881.85 and 121,395.51

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Solution

The fourth proportional to 254,532.54, 381,881.85 and 121,395.51 is: 182,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,532.54 : 381,881.85 = 121,395.51 : x
  2. Step 2: Convert to fraction form
    254,532.54/381,881.85 = 121,395.51/x
  3. Step 3: Cross multiply
    254,532.54x = 381,881.85 × 121,395.51
  4. Step 4: Simplify right side
    254,532.54x = 46,358,740,031.08
  5. Step 5: Solve for x
    x = 46,358,740,031.08/254,532.54
  6. Step 6: Final answer
    x = 182,132.86

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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.