Home / 179,805.94-248,123.79-103,271.20

Finding the Fourth Proportional to 179,805.94, 248,123.79 and 103,271.20

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Solution

The fourth proportional to 179,805.94, 248,123.79 and 103,271.20 is: 142,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,805.94 : 248,123.79 = 103,271.20 : x
  2. Step 2: Convert to fraction form
    179,805.94/248,123.79 = 103,271.20/x
  3. Step 3: Cross multiply
    179,805.94x = 248,123.79 × 103,271.20
  4. Step 4: Simplify right side
    179,805.94x = 25,624,041,541.85
  5. Step 5: Solve for x
    x = 25,624,041,541.85/179,805.94
  6. Step 6: Final answer
    x = 142,509.43

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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.