Home / 132,048.31-197,973.96-79,445.47

Finding the Fourth Proportional to 132,048.31, 197,973.96 and 79,445.47

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Solution

The fourth proportional to 132,048.31, 197,973.96 and 79,445.47 is: 119,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,048.31 : 197,973.96 = 79,445.47 : x
  2. Step 2: Convert to fraction form
    132,048.31/197,973.96 = 79,445.47/x
  3. Step 3: Cross multiply
    132,048.31x = 197,973.96 × 79,445.47
  4. Step 4: Simplify right side
    132,048.31x = 15,728,134,299.96
  5. Step 5: Solve for x
    x = 15,728,134,299.96/132,048.31
  6. Step 6: Final answer
    x = 119,108.94

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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.