Home / 236,750.25-326,713.41-129,320.31

Finding the Fourth Proportional to 236,750.25, 326,713.41 and 129,320.31

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Solution

The fourth proportional to 236,750.25, 326,713.41 and 129,320.31 is: 178,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,750.25 : 326,713.41 = 129,320.31 : x
  2. Step 2: Convert to fraction form
    236,750.25/326,713.41 = 129,320.31/x
  3. Step 3: Cross multiply
    236,750.25x = 326,713.41 × 129,320.31
  4. Step 4: Simplify right side
    236,750.25x = 42,250,679,462.36
  5. Step 5: Solve for x
    x = 42,250,679,462.36/236,750.25
  6. Step 6: Final answer
    x = 178,460.97

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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.