Home / 130,624.39-179,087.56-128,262.43

Finding the Fourth Proportional to 130,624.39, 179,087.56 and 128,262.43

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Solution

The fourth proportional to 130,624.39, 179,087.56 and 128,262.43 is: 175,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.39 : 179,087.56 = 128,262.43 : x
  2. Step 2: Convert to fraction form
    130,624.39/179,087.56 = 128,262.43/x
  3. Step 3: Cross multiply
    130,624.39x = 179,087.56 × 128,262.43
  4. Step 4: Simplify right side
    130,624.39x = 22,970,204,091.62
  5. Step 5: Solve for x
    x = 22,970,204,091.62/130,624.39
  6. Step 6: Final answer
    x = 175,849.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.