Home / 242,927.13-364,553.31-85,155.51

Finding the Fourth Proportional to 242,927.13, 364,553.31 and 85,155.51

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Solution

The fourth proportional to 242,927.13, 364,553.31 and 85,155.51 is: 127,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,927.13 : 364,553.31 = 85,155.51 : x
  2. Step 2: Convert to fraction form
    242,927.13/364,553.31 = 85,155.51/x
  3. Step 3: Cross multiply
    242,927.13x = 364,553.31 × 85,155.51
  4. Step 4: Simplify right side
    242,927.13x = 31,043,723,035.24
  5. Step 5: Solve for x
    x = 31,043,723,035.24/242,927.13
  6. Step 6: Final answer
    x = 127,790.27

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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.