Home / 130,646.22-180,286.68-74,056.38

Finding the Fourth Proportional to 130,646.22, 180,286.68 and 74,056.38

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Solution

The fourth proportional to 130,646.22, 180,286.68 and 74,056.38 is: 102,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,646.22 : 180,286.68 = 74,056.38 : x
  2. Step 2: Convert to fraction form
    130,646.22/180,286.68 = 74,056.38/x
  3. Step 3: Cross multiply
    130,646.22x = 180,286.68 × 74,056.38
  4. Step 4: Simplify right side
    130,646.22x = 13,351,378,883.02
  5. Step 5: Solve for x
    x = 13,351,378,883.02/130,646.22
  6. Step 6: Final answer
    x = 102,194.91

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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.