Home / 180,154.98-248,638.57-103,672.52

Finding the Fourth Proportional to 180,154.98, 248,638.57 and 103,672.52

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Solution

The fourth proportional to 180,154.98, 248,638.57 and 103,672.52 is: 143,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.98 : 248,638.57 = 103,672.52 : x
  2. Step 2: Convert to fraction form
    180,154.98/248,638.57 = 103,672.52/x
  3. Step 3: Cross multiply
    180,154.98x = 248,638.57 × 103,672.52
  4. Step 4: Simplify right side
    180,154.98x = 25,776,987,121.10
  5. Step 5: Solve for x
    x = 25,776,987,121.10/180,154.98
  6. Step 6: Final answer
    x = 143,082.29

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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.