Home / 125,030-187,481.20-40,735.96

Finding the Fourth Proportional to 125,030, 187,481.20 and 40,735.96

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Solution

The fourth proportional to 125,030, 187,481.20 and 40,735.96 is: 61,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,030 : 187,481.20 = 40,735.96 : x
  2. Step 2: Convert to fraction form
    125,030/187,481.20 = 40,735.96/x
  3. Step 3: Cross multiply
    125,030x = 187,481.20 × 40,735.96
  4. Step 4: Simplify right side
    125,030x = 7,637,226,663.95
  5. Step 5: Solve for x
    x = 7,637,226,663.95/125,030
  6. Step 6: Final answer
    x = 61,083.15

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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.