Home / 130,517.44-180,200.95-100,248.75

Finding the Fourth Proportional to 130,517.44, 180,200.95 and 100,248.75

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Solution

The fourth proportional to 130,517.44, 180,200.95 and 100,248.75 is: 138,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,517.44 : 180,200.95 = 100,248.75 : x
  2. Step 2: Convert to fraction form
    130,517.44/180,200.95 = 100,248.75/x
  3. Step 3: Cross multiply
    130,517.44x = 180,200.95 × 100,248.75
  4. Step 4: Simplify right side
    130,517.44x = 18,064,919,735.69
  5. Step 5: Solve for x
    x = 18,064,919,735.69/130,517.44
  6. Step 6: Final answer
    x = 138,410.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.