Home / 250,962.84-346,324.41-137,784.78

Finding the Fourth Proportional to 250,962.84, 346,324.41 and 137,784.78

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Solution

The fourth proportional to 250,962.84, 346,324.41 and 137,784.78 is: 190,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,962.84 : 346,324.41 = 137,784.78 : x
  2. Step 2: Convert to fraction form
    250,962.84/346,324.41 = 137,784.78/x
  3. Step 3: Cross multiply
    250,962.84x = 346,324.41 × 137,784.78
  4. Step 4: Simplify right side
    250,962.84x = 47,718,232,640.48
  5. Step 5: Solve for x
    x = 47,718,232,640.48/250,962.84
  6. Step 6: Final answer
    x = 190,140.63

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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.