Home / 132,407.37-182,725.73-71,982.11

Finding the Fourth Proportional to 132,407.37, 182,725.73 and 71,982.11

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Solution

The fourth proportional to 132,407.37, 182,725.73 and 71,982.11 is: 99,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407.37 : 182,725.73 = 71,982.11 : x
  2. Step 2: Convert to fraction form
    132,407.37/182,725.73 = 71,982.11/x
  3. Step 3: Cross multiply
    132,407.37x = 182,725.73 × 71,982.11
  4. Step 4: Simplify right side
    132,407.37x = 13,152,983,596.69
  5. Step 5: Solve for x
    x = 13,152,983,596.69/132,407.37
  6. Step 6: Final answer
    x = 99,337.25

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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.