Home / 120,398.08-180,612.84-41,491.12

Finding the Fourth Proportional to 120,398.08, 180,612.84 and 41,491.12

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Solution

The fourth proportional to 120,398.08, 180,612.84 and 41,491.12 is: 62,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398.08 : 180,612.84 = 41,491.12 : x
  2. Step 2: Convert to fraction form
    120,398.08/180,612.84 = 41,491.12/x
  3. Step 3: Cross multiply
    120,398.08x = 180,612.84 × 41,491.12
  4. Step 4: Simplify right side
    120,398.08x = 7,493,829,017.98
  5. Step 5: Solve for x
    x = 7,493,829,017.98/120,398.08
  6. Step 6: Final answer
    x = 62,242.10

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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.