Home / 120,498.92-180,738.30-37,385

Finding the Fourth Proportional to 120,498.92, 180,738.30 and 37,385

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Solution

The fourth proportional to 120,498.92, 180,738.30 and 37,385 is: 56,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,498.92 : 180,738.30 = 37,385 : x
  2. Step 2: Convert to fraction form
    120,498.92/180,738.30 = 37,385/x
  3. Step 3: Cross multiply
    120,498.92x = 180,738.30 × 37,385
  4. Step 4: Simplify right side
    120,498.92x = 6,756,901,345.50
  5. Step 5: Solve for x
    x = 6,756,901,345.50/120,498.92
  6. Step 6: Final answer
    x = 56,074.37

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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.