Home / 236,822.25-326,810.90-129,389.98

Finding the Fourth Proportional to 236,822.25, 326,810.90 and 129,389.98

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Solution

The fourth proportional to 236,822.25, 326,810.90 and 129,389.98 is: 178,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,822.25 : 326,810.90 = 129,389.98 : x
  2. Step 2: Convert to fraction form
    236,822.25/326,810.90 = 129,389.98/x
  3. Step 3: Cross multiply
    236,822.25x = 326,810.90 × 129,389.98
  4. Step 4: Simplify right side
    236,822.25x = 42,286,055,814.78
  5. Step 5: Solve for x
    x = 42,286,055,814.78/236,822.25
  6. Step 6: Final answer
    x = 178,556.09

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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.