Home / 130,824.72-180,194.22-100,552.14

Finding the Fourth Proportional to 130,824.72, 180,194.22 and 100,552.14

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Solution

The fourth proportional to 130,824.72, 180,194.22 and 100,552.14 is: 138,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824.72 : 180,194.22 = 100,552.14 : x
  2. Step 2: Convert to fraction form
    130,824.72/180,194.22 = 100,552.14/x
  3. Step 3: Cross multiply
    130,824.72x = 180,194.22 × 100,552.14
  4. Step 4: Simplify right side
    130,824.72x = 18,118,914,436.63
  5. Step 5: Solve for x
    x = 18,118,914,436.63/130,824.72
  6. Step 6: Final answer
    x = 138,497.64

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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.