Home / 92,521.90-138,782.40-22,401.22

Finding the Fourth Proportional to 92,521.90, 138,782.40 and 22,401.22

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Solution

The fourth proportional to 92,521.90, 138,782.40 and 22,401.22 is: 33,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,521.90 : 138,782.40 = 22,401.22 : x
  2. Step 2: Convert to fraction form
    92,521.90/138,782.40 = 22,401.22/x
  3. Step 3: Cross multiply
    92,521.90x = 138,782.40 × 22,401.22
  4. Step 4: Simplify right side
    92,521.90x = 3,108,895,074.53
  5. Step 5: Solve for x
    x = 3,108,895,074.53/92,521.90
  6. Step 6: Final answer
    x = 33,601.72

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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.