Home / 180,983.04-249,745.32-109,320.72

Finding the Fourth Proportional to 180,983.04, 249,745.32 and 109,320.72

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Solution

The fourth proportional to 180,983.04, 249,745.32 and 109,320.72 is: 150,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,983.04 : 249,745.32 = 109,320.72 : x
  2. Step 2: Convert to fraction form
    180,983.04/249,745.32 = 109,320.72/x
  3. Step 3: Cross multiply
    180,983.04x = 249,745.32 × 109,320.72
  4. Step 4: Simplify right side
    180,983.04x = 27,302,338,199.03
  5. Step 5: Solve for x
    x = 27,302,338,199.03/180,983.04
  6. Step 6: Final answer
    x = 150,855.78

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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.