Home / 154,158.88-231,237.12-79,300

Finding the Fourth Proportional to 154,158.88, 231,237.12 and 79,300

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Solution

The fourth proportional to 154,158.88, 231,237.12 and 79,300 is: 118,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,158.88 : 231,237.12 = 79,300 : x
  2. Step 2: Convert to fraction form
    154,158.88/231,237.12 = 79,300/x
  3. Step 3: Cross multiply
    154,158.88x = 231,237.12 × 79,300
  4. Step 4: Simplify right side
    154,158.88x = 18,337,103,616
  5. Step 5: Solve for x
    x = 18,337,103,616/154,158.88
  6. Step 6: Final answer
    x = 118,949.38

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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.