Home / 158,821.14-238,085.47-68,807.28

Finding the Fourth Proportional to 158,821.14, 238,085.47 and 68,807.28

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Solution

The fourth proportional to 158,821.14, 238,085.47 and 68,807.28 is: 103,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821.14 : 238,085.47 = 68,807.28 : x
  2. Step 2: Convert to fraction form
    158,821.14/238,085.47 = 68,807.28/x
  3. Step 3: Cross multiply
    158,821.14x = 238,085.47 × 68,807.28
  4. Step 4: Simplify right side
    158,821.14x = 16,382,013,598.22
  5. Step 5: Solve for x
    x = 16,382,013,598.22/158,821.14
  6. Step 6: Final answer
    x = 103,147.56

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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.