Home / 180,854.26-249,581.88-100,285.18

Finding the Fourth Proportional to 180,854.26, 249,581.88 and 100,285.18

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Solution

The fourth proportional to 180,854.26, 249,581.88 and 100,285.18 is: 138,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,854.26 : 249,581.88 = 100,285.18 : x
  2. Step 2: Convert to fraction form
    180,854.26/249,581.88 = 100,285.18/x
  3. Step 3: Cross multiply
    180,854.26x = 249,581.88 × 100,285.18
  4. Step 4: Simplify right side
    180,854.26x = 25,029,363,760.54
  5. Step 5: Solve for x
    x = 25,029,363,760.54/180,854.26
  6. Step 6: Final answer
    x = 138,395.21

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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.