Home / 180,895.35-249,650.53-100,348.85

Finding the Fourth Proportional to 180,895.35, 249,650.53 and 100,348.85

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Solution

The fourth proportional to 180,895.35, 249,650.53 and 100,348.85 is: 138,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.35 : 249,650.53 = 100,348.85 : x
  2. Step 2: Convert to fraction form
    180,895.35/249,650.53 = 100,348.85/x
  3. Step 3: Cross multiply
    180,895.35x = 249,650.53 × 100,348.85
  4. Step 4: Simplify right side
    180,895.35x = 25,052,143,587.39
  5. Step 5: Solve for x
    x = 25,052,143,587.39/180,895.35
  6. Step 6: Final answer
    x = 138,489.70

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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.