Home / 177,742.62-245,287.74-106,128.90

Finding the Fourth Proportional to 177,742.62, 245,287.74 and 106,128.90

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Solution

The fourth proportional to 177,742.62, 245,287.74 and 106,128.90 is: 146,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,742.62 : 245,287.74 = 106,128.90 : x
  2. Step 2: Convert to fraction form
    177,742.62/245,287.74 = 106,128.90/x
  3. Step 3: Cross multiply
    177,742.62x = 245,287.74 × 106,128.90
  4. Step 4: Simplify right side
    177,742.62x = 26,032,118,029.69
  5. Step 5: Solve for x
    x = 26,032,118,029.69/177,742.62
  6. Step 6: Final answer
    x = 146,459.63

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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.