Home / 130,584.42-196,106.25-128,714.54

Finding the Fourth Proportional to 130,584.42, 196,106.25 and 128,714.54

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Solution

The fourth proportional to 130,584.42, 196,106.25 and 128,714.54 is: 193,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,584.42 : 196,106.25 = 128,714.54 : x
  2. Step 2: Convert to fraction form
    130,584.42/196,106.25 = 128,714.54/x
  3. Step 3: Cross multiply
    130,584.42x = 196,106.25 × 128,714.54
  4. Step 4: Simplify right side
    130,584.42x = 25,241,725,262.02
  5. Step 5: Solve for x
    x = 25,241,725,262.02/130,584.42
  6. Step 6: Final answer
    x = 193,298.14

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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.