Home / 228,115.37-314,792.98-126,137.45

Finding the Fourth Proportional to 228,115.37, 314,792.98 and 126,137.45

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Solution

The fourth proportional to 228,115.37, 314,792.98 and 126,137.45 is: 174,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,115.37 : 314,792.98 = 126,137.45 : x
  2. Step 2: Convert to fraction form
    228,115.37/314,792.98 = 126,137.45/x
  3. Step 3: Cross multiply
    228,115.37x = 314,792.98 × 126,137.45
  4. Step 4: Simplify right side
    228,115.37x = 39,707,184,246.74
  5. Step 5: Solve for x
    x = 39,707,184,246.74/228,115.37
  6. Step 6: Final answer
    x = 174,066.24

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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.