Home / 180,826.72-249,469.68-112,804

Finding the Fourth Proportional to 180,826.72, 249,469.68 and 112,804

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Solution

The fourth proportional to 180,826.72, 249,469.68 and 112,804 is: 155,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,826.72 : 249,469.68 = 112,804 : x
  2. Step 2: Convert to fraction form
    180,826.72/249,469.68 = 112,804/x
  3. Step 3: Cross multiply
    180,826.72x = 249,469.68 × 112,804
  4. Step 4: Simplify right side
    180,826.72x = 28,141,177,782.72
  5. Step 5: Solve for x
    x = 28,141,177,782.72/180,826.72
  6. Step 6: Final answer
    x = 155,625.11

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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.