Home / 194,450.50-291,666-76,143.52

Finding the Fourth Proportional to 194,450.50, 291,666 and 76,143.52

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Solution

The fourth proportional to 194,450.50, 291,666 and 76,143.52 is: 114,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,450.50 : 291,666 = 76,143.52 : x
  2. Step 2: Convert to fraction form
    194,450.50/291,666 = 76,143.52/x
  3. Step 3: Cross multiply
    194,450.50x = 291,666 × 76,143.52
  4. Step 4: Simplify right side
    194,450.50x = 22,208,475,904.32
  5. Step 5: Solve for x
    x = 22,208,475,904.32/194,450.50
  6. Step 6: Final answer
    x = 114,211.46

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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.