Home / 180,766.84-249,473.18-100,219.63

Finding the Fourth Proportional to 180,766.84, 249,473.18 and 100,219.63

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Solution

The fourth proportional to 180,766.84, 249,473.18 and 100,219.63 is: 138,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,766.84 : 249,473.18 = 100,219.63 : x
  2. Step 2: Convert to fraction form
    180,766.84/249,473.18 = 100,219.63/x
  3. Step 3: Cross multiply
    180,766.84x = 249,473.18 × 100,219.63
  4. Step 4: Simplify right side
    180,766.84x = 25,002,109,794.52
  5. Step 5: Solve for x
    x = 25,002,109,794.52/180,766.84
  6. Step 6: Final answer
    x = 138,311.37

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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.