Home / 230,669.36-318,323.76-130,067.36

Finding the Fourth Proportional to 230,669.36, 318,323.76 and 130,067.36

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Solution

The fourth proportional to 230,669.36, 318,323.76 and 130,067.36 is: 179,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,669.36 : 318,323.76 = 130,067.36 : x
  2. Step 2: Convert to fraction form
    230,669.36/318,323.76 = 130,067.36/x
  3. Step 3: Cross multiply
    230,669.36x = 318,323.76 × 130,067.36
  4. Step 4: Simplify right side
    230,669.36x = 41,403,531,088.47
  5. Step 5: Solve for x
    x = 41,403,531,088.47/230,669.36
  6. Step 6: Final answer
    x = 179,492.98

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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.