Home / 191,020.31-263,602.82-106,135.19

Finding the Fourth Proportional to 191,020.31, 263,602.82 and 106,135.19

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Solution

The fourth proportional to 191,020.31, 263,602.82 and 106,135.19 is: 146,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020.31 : 263,602.82 = 106,135.19 : x
  2. Step 2: Convert to fraction form
    191,020.31/263,602.82 = 106,135.19/x
  3. Step 3: Cross multiply
    191,020.31x = 263,602.82 × 106,135.19
  4. Step 4: Simplify right side
    191,020.31x = 27,977,534,854.56
  5. Step 5: Solve for x
    x = 27,977,534,854.56/191,020.31
  6. Step 6: Final answer
    x = 146,463.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.