Home / 92,220.04-138,351.86-29,890.52

Finding the Fourth Proportional to 92,220.04, 138,351.86 and 29,890.52

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Solution

The fourth proportional to 92,220.04, 138,351.86 and 29,890.52 is: 44,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,220.04 : 138,351.86 = 29,890.52 : x
  2. Step 2: Convert to fraction form
    92,220.04/138,351.86 = 29,890.52/x
  3. Step 3: Cross multiply
    92,220.04x = 138,351.86 × 29,890.52
  4. Step 4: Simplify right side
    92,220.04x = 4,135,409,038.37
  5. Step 5: Solve for x
    x = 4,135,409,038.37/92,220.04
  6. Step 6: Final answer
    x = 44,842.85

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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.