Home / 132,090.64-182,240.70-75,461.92

Finding the Fourth Proportional to 132,090.64, 182,240.70 and 75,461.92

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Solution

The fourth proportional to 132,090.64, 182,240.70 and 75,461.92 is: 104,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090.64 : 182,240.70 = 75,461.92 : x
  2. Step 2: Convert to fraction form
    132,090.64/182,240.70 = 75,461.92/x
  3. Step 3: Cross multiply
    132,090.64x = 182,240.70 × 75,461.92
  4. Step 4: Simplify right side
    132,090.64x = 13,752,233,124.14
  5. Step 5: Solve for x
    x = 13,752,233,124.14/132,090.64
  6. Step 6: Final answer
    x = 104,112.09

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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.