Home / 120,314.08-180,468.98-41,426.56

Finding the Fourth Proportional to 120,314.08, 180,468.98 and 41,426.56

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Solution

The fourth proportional to 120,314.08, 180,468.98 and 41,426.56 is: 62,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,314.08 : 180,468.98 = 41,426.56 : x
  2. Step 2: Convert to fraction form
    120,314.08/180,468.98 = 41,426.56/x
  3. Step 3: Cross multiply
    120,314.08x = 180,468.98 × 41,426.56
  4. Step 4: Simplify right side
    120,314.08x = 7,476,209,028.11
  5. Step 5: Solve for x
    x = 7,476,209,028.11/120,314.08
  6. Step 6: Final answer
    x = 62,139.10

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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.