Home / 180,720.21-249,400.35-109,086.24

Finding the Fourth Proportional to 180,720.21, 249,400.35 and 109,086.24

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Solution

The fourth proportional to 180,720.21, 249,400.35 and 109,086.24 is: 150,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,720.21 : 249,400.35 = 109,086.24 : x
  2. Step 2: Convert to fraction form
    180,720.21/249,400.35 = 109,086.24/x
  3. Step 3: Cross multiply
    180,720.21x = 249,400.35 × 109,086.24
  4. Step 4: Simplify right side
    180,720.21x = 27,206,146,436.18
  5. Step 5: Solve for x
    x = 27,206,146,436.18/180,720.21
  6. Step 6: Final answer
    x = 150,542.91

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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.