Home / 228,848.64-315,829.72-126,906.06

Finding the Fourth Proportional to 228,848.64, 315,829.72 and 126,906.06

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Solution

The fourth proportional to 228,848.64, 315,829.72 and 126,906.06 is: 175,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,848.64 : 315,829.72 = 126,906.06 : x
  2. Step 2: Convert to fraction form
    228,848.64/315,829.72 = 126,906.06/x
  3. Step 3: Cross multiply
    228,848.64x = 315,829.72 × 126,906.06
  4. Step 4: Simplify right side
    228,848.64x = 40,080,705,396.10
  5. Step 5: Solve for x
    x = 40,080,705,396.10/228,848.64
  6. Step 6: Final answer
    x = 175,140.68

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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.