Home / 180,829.80-249,494.49-105,363.72

Finding the Fourth Proportional to 180,829.80, 249,494.49 and 105,363.72

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Solution

The fourth proportional to 180,829.80, 249,494.49 and 105,363.72 is: 145,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,829.80 : 249,494.49 = 105,363.72 : x
  2. Step 2: Convert to fraction form
    180,829.80/249,494.49 = 105,363.72/x
  3. Step 3: Cross multiply
    180,829.80x = 249,494.49 × 105,363.72
  4. Step 4: Simplify right side
    180,829.80x = 26,287,667,585.90
  5. Step 5: Solve for x
    x = 26,287,667,585.90/180,829.80
  6. Step 6: Final answer
    x = 145,372.43

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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.