Home / 228,162.90-314,862.82-126,186.18

Finding the Fourth Proportional to 228,162.90, 314,862.82 and 126,186.18

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Solution

The fourth proportional to 228,162.90, 314,862.82 and 126,186.18 is: 174,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,162.90 : 314,862.82 = 126,186.18 : x
  2. Step 2: Convert to fraction form
    228,162.90/314,862.82 = 126,186.18/x
  3. Step 3: Cross multiply
    228,162.90x = 314,862.82 × 126,186.18
  4. Step 4: Simplify right side
    228,162.90x = 39,731,336,479.83
  5. Step 5: Solve for x
    x = 39,731,336,479.83/228,162.90
  6. Step 6: Final answer
    x = 174,135.83

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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.