Home / 179,628.60-269,345.70-74,458.20

Finding the Fourth Proportional to 179,628.60, 269,345.70 and 74,458.20

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Solution

The fourth proportional to 179,628.60, 269,345.70 and 74,458.20 is: 111,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.60 : 269,345.70 = 74,458.20 : x
  2. Step 2: Convert to fraction form
    179,628.60/269,345.70 = 74,458.20/x
  3. Step 3: Cross multiply
    179,628.60x = 269,345.70 × 74,458.20
  4. Step 4: Simplify right side
    179,628.60x = 20,054,995,999.74
  5. Step 5: Solve for x
    x = 20,054,995,999.74/179,628.60
  6. Step 6: Final answer
    x = 111,647.01

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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.