Home / 180,623.88-249,236.38-100,031.56

Finding the Fourth Proportional to 180,623.88, 249,236.38 and 100,031.56

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Solution

The fourth proportional to 180,623.88, 249,236.38 and 100,031.56 is: 138,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,623.88 : 249,236.38 = 100,031.56 : x
  2. Step 2: Convert to fraction form
    180,623.88/249,236.38 = 100,031.56/x
  3. Step 3: Cross multiply
    180,623.88x = 249,236.38 × 100,031.56
  4. Step 4: Simplify right side
    180,623.88x = 24,931,503,900.15
  5. Step 5: Solve for x
    x = 24,931,503,900.15/180,623.88
  6. Step 6: Final answer
    x = 138,029.94

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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.