Home / 194,678.07-291,876.90-119,643.21

Finding the Fourth Proportional to 194,678.07, 291,876.90 and 119,643.21

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Solution

The fourth proportional to 194,678.07, 291,876.90 and 119,643.21 is: 179,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,678.07 : 291,876.90 = 119,643.21 : x
  2. Step 2: Convert to fraction form
    194,678.07/291,876.90 = 119,643.21/x
  3. Step 3: Cross multiply
    194,678.07x = 291,876.90 × 119,643.21
  4. Step 4: Simplify right side
    194,678.07x = 34,921,089,240.85
  5. Step 5: Solve for x
    x = 34,921,089,240.85/194,678.07
  6. Step 6: Final answer
    x = 179,378.65

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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.