Home / 126,051.09-189,090.48-51,160.35

Finding the Fourth Proportional to 126,051.09, 189,090.48 and 51,160.35

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Solution

The fourth proportional to 126,051.09, 189,090.48 and 51,160.35 is: 76,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.09 : 189,090.48 = 51,160.35 : x
  2. Step 2: Convert to fraction form
    126,051.09/189,090.48 = 51,160.35/x
  3. Step 3: Cross multiply
    126,051.09x = 189,090.48 × 51,160.35
  4. Step 4: Simplify right side
    126,051.09x = 9,673,935,138.47
  5. Step 5: Solve for x
    x = 9,673,935,138.47/126,051.09
  6. Step 6: Final answer
    x = 76,746.14

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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.