Home / 80,185.19-120,370.95-46,929.12

Finding the Fourth Proportional to 80,185.19, 120,370.95 and 46,929.12

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Solution

The fourth proportional to 80,185.19, 120,370.95 and 46,929.12 is: 70,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,185.19 : 120,370.95 = 46,929.12 : x
  2. Step 2: Convert to fraction form
    80,185.19/120,370.95 = 46,929.12/x
  3. Step 3: Cross multiply
    80,185.19x = 120,370.95 × 46,929.12
  4. Step 4: Simplify right side
    80,185.19x = 5,648,902,305.67
  5. Step 5: Solve for x
    x = 5,648,902,305.67/80,185.19
  6. Step 6: Final answer
    x = 70,448.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.