Home / 250,223.52-345,314.16-137,045.28

Finding the Fourth Proportional to 250,223.52, 345,314.16 and 137,045.28

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Solution

The fourth proportional to 250,223.52, 345,314.16 and 137,045.28 is: 189,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,223.52 : 345,314.16 = 137,045.28 : x
  2. Step 2: Convert to fraction form
    250,223.52/345,314.16 = 137,045.28/x
  3. Step 3: Cross multiply
    250,223.52x = 345,314.16 × 137,045.28
  4. Step 4: Simplify right side
    250,223.52x = 47,323,675,745.16
  5. Step 5: Solve for x
    x = 47,323,675,745.16/250,223.52
  6. Step 6: Final answer
    x = 189,125.61

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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.