Home / 130,911.71-196,352.86-36,155.37

Finding the Fourth Proportional to 130,911.71, 196,352.86 and 36,155.37

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Solution

The fourth proportional to 130,911.71, 196,352.86 and 36,155.37 is: 54,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,911.71 : 196,352.86 = 36,155.37 : x
  2. Step 2: Convert to fraction form
    130,911.71/196,352.86 = 36,155.37/x
  3. Step 3: Cross multiply
    130,911.71x = 196,352.86 × 36,155.37
  4. Step 4: Simplify right side
    130,911.71x = 7,099,209,322.09
  5. Step 5: Solve for x
    x = 7,099,209,322.09/130,911.71
  6. Step 6: Final answer
    x = 54,228.99

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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.