Home / 130,629.47-180,323.76-88,245.41

Finding the Fourth Proportional to 130,629.47, 180,323.76 and 88,245.41

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Solution

The fourth proportional to 130,629.47, 180,323.76 and 88,245.41 is: 121,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.47 : 180,323.76 = 88,245.41 : x
  2. Step 2: Convert to fraction form
    130,629.47/180,323.76 = 88,245.41/x
  3. Step 3: Cross multiply
    130,629.47x = 180,323.76 × 88,245.41
  4. Step 4: Simplify right side
    130,629.47x = 15,912,743,232.32
  5. Step 5: Solve for x
    x = 15,912,743,232.32/130,629.47
  6. Step 6: Final answer
    x = 121,815.88

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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.