Home / 74,835.18-112,271.40-22,243.23

Finding the Fourth Proportional to 74,835.18, 112,271.40 and 22,243.23

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Solution

The fourth proportional to 74,835.18, 112,271.40 and 22,243.23 is: 33,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.18 : 112,271.40 = 22,243.23 : x
  2. Step 2: Convert to fraction form
    74,835.18/112,271.40 = 22,243.23/x
  3. Step 3: Cross multiply
    74,835.18x = 112,271.40 × 22,243.23
  4. Step 4: Simplify right side
    74,835.18x = 2,497,278,572.62
  5. Step 5: Solve for x
    x = 2,497,278,572.62/74,835.18
  6. Step 6: Final answer
    x = 33,370.38

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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.