Home / 226,113.50-312,040.28-125,511.50

Finding the Fourth Proportional to 226,113.50, 312,040.28 and 125,511.50

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Solution

The fourth proportional to 226,113.50, 312,040.28 and 125,511.50 is: 173,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,113.50 : 312,040.28 = 125,511.50 : x
  2. Step 2: Convert to fraction form
    226,113.50/312,040.28 = 125,511.50/x
  3. Step 3: Cross multiply
    226,113.50x = 312,040.28 × 125,511.50
  4. Step 4: Simplify right side
    226,113.50x = 39,164,643,603.22
  5. Step 5: Solve for x
    x = 39,164,643,603.22/226,113.50
  6. Step 6: Final answer
    x = 173,207.90

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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.