Home / 126,030.17-189,040.35-31,260.59

Finding the Fourth Proportional to 126,030.17, 189,040.35 and 31,260.59

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Solution

The fourth proportional to 126,030.17, 189,040.35 and 31,260.59 is: 46,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.17 : 189,040.35 = 31,260.59 : x
  2. Step 2: Convert to fraction form
    126,030.17/189,040.35 = 31,260.59/x
  3. Step 3: Cross multiply
    126,030.17x = 189,040.35 × 31,260.59
  4. Step 4: Simplify right side
    126,030.17x = 5,909,512,874.81
  5. Step 5: Solve for x
    x = 5,909,512,874.81/126,030.17
  6. Step 6: Final answer
    x = 46,889.67

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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.