Home / 180,725.06-249,410.57-100,150.90

Finding the Fourth Proportional to 180,725.06, 249,410.57 and 100,150.90

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Solution

The fourth proportional to 180,725.06, 249,410.57 and 100,150.90 is: 138,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,725.06 : 249,410.57 = 100,150.90 : x
  2. Step 2: Convert to fraction form
    180,725.06/249,410.57 = 100,150.90/x
  3. Step 3: Cross multiply
    180,725.06x = 249,410.57 × 100,150.90
  4. Step 4: Simplify right side
    180,725.06x = 24,978,693,055.01
  5. Step 5: Solve for x
    x = 24,978,693,055.01/180,725.06
  6. Step 6: Final answer
    x = 138,213.78

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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.