Home / 130,826.28-196,268.64-47,720.28

Finding the Fourth Proportional to 130,826.28, 196,268.64 and 47,720.28

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Solution

The fourth proportional to 130,826.28, 196,268.64 and 47,720.28 is: 71,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,826.28 : 196,268.64 = 47,720.28 : x
  2. Step 2: Convert to fraction form
    130,826.28/196,268.64 = 47,720.28/x
  3. Step 3: Cross multiply
    130,826.28x = 196,268.64 × 47,720.28
  4. Step 4: Simplify right side
    130,826.28x = 9,365,994,456.02
  5. Step 5: Solve for x
    x = 9,365,994,456.02/130,826.28
  6. Step 6: Final answer
    x = 71,591.08

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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.