Home / 238,144.16-328,637.78-130,716.02

Finding the Fourth Proportional to 238,144.16, 328,637.78 and 130,716.02

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Solution

The fourth proportional to 238,144.16, 328,637.78 and 130,716.02 is: 180,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,144.16 : 328,637.78 = 130,716.02 : x
  2. Step 2: Convert to fraction form
    238,144.16/328,637.78 = 130,716.02/x
  3. Step 3: Cross multiply
    238,144.16x = 328,637.78 × 130,716.02
  4. Step 4: Simplify right side
    238,144.16x = 42,958,222,623.24
  5. Step 5: Solve for x
    x = 42,958,222,623.24/238,144.16
  6. Step 6: Final answer
    x = 180,387.47

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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.