Home / 209,818.94-315,002.76-124,585.34

Finding the Fourth Proportional to 209,818.94, 315,002.76 and 124,585.34

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Solution

The fourth proportional to 209,818.94, 315,002.76 and 124,585.34 is: 187,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,818.94 : 315,002.76 = 124,585.34 : x
  2. Step 2: Convert to fraction form
    209,818.94/315,002.76 = 124,585.34/x
  3. Step 3: Cross multiply
    209,818.94x = 315,002.76 × 124,585.34
  4. Step 4: Simplify right side
    209,818.94x = 39,244,725,955.54
  5. Step 5: Solve for x
    x = 39,244,725,955.54/209,818.94
  6. Step 6: Final answer
    x = 187,040.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.