Home / 131,083.12-180,894.60-71,467.12

Finding the Fourth Proportional to 131,083.12, 180,894.60 and 71,467.12

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Solution

The fourth proportional to 131,083.12, 180,894.60 and 71,467.12 is: 98,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,083.12 : 180,894.60 = 71,467.12 : x
  2. Step 2: Convert to fraction form
    131,083.12/180,894.60 = 71,467.12/x
  3. Step 3: Cross multiply
    131,083.12x = 180,894.60 × 71,467.12
  4. Step 4: Simplify right side
    131,083.12x = 12,928,016,085.55
  5. Step 5: Solve for x
    x = 12,928,016,085.55/131,083.12
  6. Step 6: Final answer
    x = 98,624.57

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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.