Home / 126,258.03-189,395.09-51,337.23

Finding the Fourth Proportional to 126,258.03, 189,395.09 and 51,337.23

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Solution

The fourth proportional to 126,258.03, 189,395.09 and 51,337.23 is: 77,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,258.03 : 189,395.09 = 51,337.23 : x
  2. Step 2: Convert to fraction form
    126,258.03/189,395.09 = 51,337.23/x
  3. Step 3: Cross multiply
    126,258.03x = 189,395.09 × 51,337.23
  4. Step 4: Simplify right side
    126,258.03x = 9,723,019,039.51
  5. Step 5: Solve for x
    x = 9,723,019,039.51/126,258.03
  6. Step 6: Final answer
    x = 77,009.11

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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.