Home / 238,102.09-328,579.84-130,673.86

Finding the Fourth Proportional to 238,102.09, 328,579.84 and 130,673.86

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Solution

The fourth proportional to 238,102.09, 328,579.84 and 130,673.86 is: 180,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,102.09 : 328,579.84 = 130,673.86 : x
  2. Step 2: Convert to fraction form
    238,102.09/328,579.84 = 130,673.86/x
  3. Step 3: Cross multiply
    238,102.09x = 328,579.84 × 130,673.86
  4. Step 4: Simplify right side
    238,102.09x = 42,936,796,010.98
  5. Step 5: Solve for x
    x = 42,936,796,010.98/238,102.09
  6. Step 6: Final answer
    x = 180,329.35

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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.