Home / 126,027.66-189,036.60-31,258.08

Finding the Fourth Proportional to 126,027.66, 189,036.60 and 31,258.08

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Solution

The fourth proportional to 126,027.66, 189,036.60 and 31,258.08 is: 46,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.66 : 189,036.60 = 31,258.08 : x
  2. Step 2: Convert to fraction form
    126,027.66/189,036.60 = 31,258.08/x
  3. Step 3: Cross multiply
    126,027.66x = 189,036.60 × 31,258.08
  4. Step 4: Simplify right side
    126,027.66x = 5,908,921,991.83
  5. Step 5: Solve for x
    x = 5,908,921,991.83/126,027.66
  6. Step 6: Final answer
    x = 46,885.91

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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.