Home / 179,907.12-248,345.76-122,735.16

Finding the Fourth Proportional to 179,907.12, 248,345.76 and 122,735.16

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Solution

The fourth proportional to 179,907.12, 248,345.76 and 122,735.16 is: 169,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,907.12 : 248,345.76 = 122,735.16 : x
  2. Step 2: Convert to fraction form
    179,907.12/248,345.76 = 122,735.16/x
  3. Step 3: Cross multiply
    179,907.12x = 248,345.76 × 122,735.16
  4. Step 4: Simplify right side
    179,907.12x = 30,480,756,588.92
  5. Step 5: Solve for x
    x = 30,480,756,588.92/179,907.12
  6. Step 6: Final answer
    x = 169,424.96

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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.