Home / 171,218.07-236,506.70-131,423.58

Finding the Fourth Proportional to 171,218.07, 236,506.70 and 131,423.58

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Solution

The fourth proportional to 171,218.07, 236,506.70 and 131,423.58 is: 181,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.07 : 236,506.70 = 131,423.58 : x
  2. Step 2: Convert to fraction form
    171,218.07/236,506.70 = 131,423.58/x
  3. Step 3: Cross multiply
    171,218.07x = 236,506.70 × 131,423.58
  4. Step 4: Simplify right side
    171,218.07x = 31,082,557,536.55
  5. Step 5: Solve for x
    x = 31,082,557,536.55/171,218.07
  6. Step 6: Final answer
    x = 181,537.83

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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.