Home / 180,895.19-249,650.69-100,348.66

Finding the Fourth Proportional to 180,895.19, 249,650.69 and 100,348.66

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Solution

The fourth proportional to 180,895.19, 249,650.69 and 100,348.66 is: 138,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.19 : 249,650.69 = 100,348.66 : x
  2. Step 2: Convert to fraction form
    180,895.19/249,650.69 = 100,348.66/x
  3. Step 3: Cross multiply
    180,895.19x = 249,650.69 × 100,348.66
  4. Step 4: Simplify right side
    180,895.19x = 25,052,113,709.85
  5. Step 5: Solve for x
    x = 25,052,113,709.85/180,895.19
  6. Step 6: Final answer
    x = 138,489.66

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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.