Home / 177,742.43-245,287.46-106,128.71

Finding the Fourth Proportional to 177,742.43, 245,287.46 and 106,128.71

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Solution

The fourth proportional to 177,742.43, 245,287.46 and 106,128.71 is: 146,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,742.43 : 245,287.46 = 106,128.71 : x
  2. Step 2: Convert to fraction form
    177,742.43/245,287.46 = 106,128.71/x
  3. Step 3: Cross multiply
    177,742.43x = 245,287.46 × 106,128.71
  4. Step 4: Simplify right side
    177,742.43x = 26,032,040,747.86
  5. Step 5: Solve for x
    x = 26,032,040,747.86/177,742.43
  6. Step 6: Final answer
    x = 146,459.35

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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.