Home / 180,386.34-248,916.21-122,124.57

Finding the Fourth Proportional to 180,386.34, 248,916.21 and 122,124.57

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Solution

The fourth proportional to 180,386.34, 248,916.21 and 122,124.57 is: 168,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,386.34 : 248,916.21 = 122,124.57 : x
  2. Step 2: Convert to fraction form
    180,386.34/248,916.21 = 122,124.57/x
  3. Step 3: Cross multiply
    180,386.34x = 248,916.21 × 122,124.57
  4. Step 4: Simplify right side
    180,386.34x = 30,398,783,720.88
  5. Step 5: Solve for x
    x = 30,398,783,720.88/180,386.34
  6. Step 6: Final answer
    x = 168,520.43

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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.