Home / 231,057.60-346,586.40-112,804.80

Finding the Fourth Proportional to 231,057.60, 346,586.40 and 112,804.80

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Solution

The fourth proportional to 231,057.60, 346,586.40 and 112,804.80 is: 169,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,057.60 : 346,586.40 = 112,804.80 : x
  2. Step 2: Convert to fraction form
    231,057.60/346,586.40 = 112,804.80/x
  3. Step 3: Cross multiply
    231,057.60x = 346,586.40 × 112,804.80
  4. Step 4: Simplify right side
    231,057.60x = 39,096,609,534.72
  5. Step 5: Solve for x
    x = 39,096,609,534.72/231,057.60
  6. Step 6: Final answer
    x = 169,207.20

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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.