Home / 180,378.88-249,022.96-108,777.04

Finding the Fourth Proportional to 180,378.88, 249,022.96 and 108,777.04

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Solution

The fourth proportional to 180,378.88, 249,022.96 and 108,777.04 is: 150,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,378.88 : 249,022.96 = 108,777.04 : x
  2. Step 2: Convert to fraction form
    180,378.88/249,022.96 = 108,777.04/x
  3. Step 3: Cross multiply
    180,378.88x = 249,022.96 × 108,777.04
  4. Step 4: Simplify right side
    180,378.88x = 27,087,980,480.84
  5. Step 5: Solve for x
    x = 27,087,980,480.84/180,378.88
  6. Step 6: Final answer
    x = 150,172.68

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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.