Home / 101,979.41-152,839.31-57,630.89

Finding the Fourth Proportional to 101,979.41, 152,839.31 and 57,630.89

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Solution

The fourth proportional to 101,979.41, 152,839.31 and 57,630.89 is: 86,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,979.41 : 152,839.31 = 57,630.89 : x
  2. Step 2: Convert to fraction form
    101,979.41/152,839.31 = 57,630.89/x
  3. Step 3: Cross multiply
    101,979.41x = 152,839.31 × 57,630.89
  4. Step 4: Simplify right side
    101,979.41x = 8,808,265,556.23
  5. Step 5: Solve for x
    x = 8,808,265,556.23/101,979.41
  6. Step 6: Final answer
    x = 86,372.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.