Home / 180,856.86-249,584.55-100,285.26

Finding the Fourth Proportional to 180,856.86, 249,584.55 and 100,285.26

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Solution

The fourth proportional to 180,856.86, 249,584.55 and 100,285.26 is: 138,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856.86 : 249,584.55 = 100,285.26 : x
  2. Step 2: Convert to fraction form
    180,856.86/249,584.55 = 100,285.26/x
  3. Step 3: Cross multiply
    180,856.86x = 249,584.55 × 100,285.26
  4. Step 4: Simplify right side
    180,856.86x = 25,029,651,488.73
  5. Step 5: Solve for x
    x = 25,029,651,488.73/180,856.86
  6. Step 6: Final answer
    x = 138,394.81

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1.5x scale

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.