Home / 164,566.20-246,857.40-85,834.20

Finding the Fourth Proportional to 164,566.20, 246,857.40 and 85,834.20

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Solution

The fourth proportional to 164,566.20, 246,857.40 and 85,834.20 is: 128,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,566.20 : 246,857.40 = 85,834.20 : x
  2. Step 2: Convert to fraction form
    164,566.20/246,857.40 = 85,834.20/x
  3. Step 3: Cross multiply
    164,566.20x = 246,857.40 × 85,834.20
  4. Step 4: Simplify right side
    164,566.20x = 21,188,807,443.08
  5. Step 5: Solve for x
    x = 21,188,807,443.08/164,566.20
  6. Step 6: Final answer
    x = 128,755.52

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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.