Home / 180,908.24-249,651.72-100,335.92

Finding the Fourth Proportional to 180,908.24, 249,651.72 and 100,335.92

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Solution

The fourth proportional to 180,908.24, 249,651.72 and 100,335.92 is: 138,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,908.24 : 249,651.72 = 100,335.92 : x
  2. Step 2: Convert to fraction form
    180,908.24/249,651.72 = 100,335.92/x
  3. Step 3: Cross multiply
    180,908.24x = 249,651.72 × 100,335.92
  4. Step 4: Simplify right side
    180,908.24x = 25,049,033,757.52
  5. Step 5: Solve for x
    x = 25,049,033,757.52/180,908.24
  6. Step 6: Final answer
    x = 138,462.65

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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.