Home / 194,529.76-291,820.15-76,185.72

Finding the Fourth Proportional to 194,529.76, 291,820.15 and 76,185.72

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Solution

The fourth proportional to 194,529.76, 291,820.15 and 76,185.72 is: 114,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,529.76 : 291,820.15 = 76,185.72 : x
  2. Step 2: Convert to fraction form
    194,529.76/291,820.15 = 76,185.72/x
  3. Step 3: Cross multiply
    194,529.76x = 291,820.15 × 76,185.72
  4. Step 4: Simplify right side
    194,529.76x = 22,232,526,779.16
  5. Step 5: Solve for x
    x = 22,232,526,779.16/194,529.76
  6. Step 6: Final answer
    x = 114,288.57

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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.