Home / 180,703.92-249,380.46-100,140.24

Finding the Fourth Proportional to 180,703.92, 249,380.46 and 100,140.24

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Solution

The fourth proportional to 180,703.92, 249,380.46 and 100,140.24 is: 138,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,703.92 : 249,380.46 = 100,140.24 : x
  2. Step 2: Convert to fraction form
    180,703.92/249,380.46 = 100,140.24/x
  3. Step 3: Cross multiply
    180,703.92x = 249,380.46 × 100,140.24
  4. Step 4: Simplify right side
    180,703.92x = 24,973,019,115.71
  5. Step 5: Solve for x
    x = 24,973,019,115.71/180,703.92
  6. Step 6: Final answer
    x = 138,198.55

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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.