Home / 180,856.26-249,584.64-100,287.18

Finding the Fourth Proportional to 180,856.26, 249,584.64 and 100,287.18

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Solution

The fourth proportional to 180,856.26, 249,584.64 and 100,287.18 is: 138,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856.26 : 249,584.64 = 100,287.18 : x
  2. Step 2: Convert to fraction form
    180,856.26/249,584.64 = 100,287.18/x
  3. Step 3: Cross multiply
    180,856.26x = 249,584.64 × 100,287.18
  4. Step 4: Simplify right side
    180,856.26x = 25,030,139,716.92
  5. Step 5: Solve for x
    x = 25,030,139,716.92/180,856.26
  6. Step 6: Final answer
    x = 138,397.97

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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.