Home / 231,477.50-319,448.02-135,983.36

Finding the Fourth Proportional to 231,477.50, 319,448.02 and 135,983.36

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Solution

The fourth proportional to 231,477.50, 319,448.02 and 135,983.36 is: 187,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,477.50 : 319,448.02 = 135,983.36 : x
  2. Step 2: Convert to fraction form
    231,477.50/319,448.02 = 135,983.36/x
  3. Step 3: Cross multiply
    231,477.50x = 319,448.02 × 135,983.36
  4. Step 4: Simplify right side
    231,477.50x = 43,439,615,104.95
  5. Step 5: Solve for x
    x = 43,439,615,104.95/231,477.50
  6. Step 6: Final answer
    x = 187,662.37

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1.5x scale

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.