Home / 126,504.85-189,569.63-51,533.41

Finding the Fourth Proportional to 126,504.85, 189,569.63 and 51,533.41

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Solution

The fourth proportional to 126,504.85, 189,569.63 and 51,533.41 is: 77,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,504.85 : 189,569.63 = 51,533.41 : x
  2. Step 2: Convert to fraction form
    126,504.85/189,569.63 = 51,533.41/x
  3. Step 3: Cross multiply
    126,504.85x = 189,569.63 × 51,533.41
  4. Step 4: Simplify right side
    126,504.85x = 9,769,169,208.67
  5. Step 5: Solve for x
    x = 9,769,169,208.67/126,504.85
  6. Step 6: Final answer
    x = 77,223.67

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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.