Home / 179,951.40-248,381.04-103,478.85

Finding the Fourth Proportional to 179,951.40, 248,381.04 and 103,478.85

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Solution

The fourth proportional to 179,951.40, 248,381.04 and 103,478.85 is: 142,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,951.40 : 248,381.04 = 103,478.85 : x
  2. Step 2: Convert to fraction form
    179,951.40/248,381.04 = 103,478.85/x
  3. Step 3: Cross multiply
    179,951.40x = 248,381.04 × 103,478.85
  4. Step 4: Simplify right side
    179,951.40x = 25,702,184,381.00
  5. Step 5: Solve for x
    x = 25,702,184,381.00/179,951.40
  6. Step 6: Final answer
    x = 142,828.48

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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.