Home / 80,225.58-120,341.16-38,083.95

Finding the Fourth Proportional to 80,225.58, 120,341.16 and 38,083.95

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Solution

The fourth proportional to 80,225.58, 120,341.16 and 38,083.95 is: 57,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,225.58 : 120,341.16 = 38,083.95 : x
  2. Step 2: Convert to fraction form
    80,225.58/120,341.16 = 38,083.95/x
  3. Step 3: Cross multiply
    80,225.58x = 120,341.16 × 38,083.95
  4. Step 4: Simplify right side
    80,225.58x = 4,583,066,625.17
  5. Step 5: Solve for x
    x = 4,583,066,625.17/80,225.58
  6. Step 6: Final answer
    x = 57,127.25

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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.