Home / 242,778.24-364,166.82-85,051.80

Finding the Fourth Proportional to 242,778.24, 364,166.82 and 85,051.80

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Solution

The fourth proportional to 242,778.24, 364,166.82 and 85,051.80 is: 127,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,778.24 : 364,166.82 = 85,051.80 : x
  2. Step 2: Convert to fraction form
    242,778.24/364,166.82 = 85,051.80/x
  3. Step 3: Cross multiply
    242,778.24x = 364,166.82 × 85,051.80
  4. Step 4: Simplify right side
    242,778.24x = 30,973,043,541.28
  5. Step 5: Solve for x
    x = 30,973,043,541.28/242,778.24
  6. Step 6: Final answer
    x = 127,577.51

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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.