Home / 126,386.13-189,433.38-47,450.01

Finding the Fourth Proportional to 126,386.13, 189,433.38 and 47,450.01

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Solution

The fourth proportional to 126,386.13, 189,433.38 and 47,450.01 is: 71,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,386.13 : 189,433.38 = 47,450.01 : x
  2. Step 2: Convert to fraction form
    126,386.13/189,433.38 = 47,450.01/x
  3. Step 3: Cross multiply
    126,386.13x = 189,433.38 × 47,450.01
  4. Step 4: Simplify right side
    126,386.13x = 8,988,615,775.33
  5. Step 5: Solve for x
    x = 8,988,615,775.33/126,386.13
  6. Step 6: Final answer
    x = 71,120.27

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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.