Home / 179,849.79-248,133.77-128,175.02

Finding the Fourth Proportional to 179,849.79, 248,133.77 and 128,175.02

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Solution

The fourth proportional to 179,849.79, 248,133.77 and 128,175.02 is: 176,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,849.79 : 248,133.77 = 128,175.02 : x
  2. Step 2: Convert to fraction form
    179,849.79/248,133.77 = 128,175.02/x
  3. Step 3: Cross multiply
    179,849.79x = 248,133.77 × 128,175.02
  4. Step 4: Simplify right side
    179,849.79x = 31,804,550,911.88
  5. Step 5: Solve for x
    x = 31,804,550,911.88/179,849.79
  6. Step 6: Final answer
    x = 176,839.52

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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.