Home / 451,130.54-676,726.95-131,285.06

Finding the Fourth Proportional to 451,130.54, 676,726.95 and 131,285.06

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Solution

The fourth proportional to 451,130.54, 676,726.95 and 131,285.06 is: 196,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,130.54 : 676,726.95 = 131,285.06 : x
  2. Step 2: Convert to fraction form
    451,130.54/676,726.95 = 131,285.06/x
  3. Step 3: Cross multiply
    451,130.54x = 676,726.95 × 131,285.06
  4. Step 4: Simplify right side
    451,130.54x = 88,844,134,869.77
  5. Step 5: Solve for x
    x = 88,844,134,869.77/451,130.54
  6. Step 6: Final answer
    x = 196,936.65

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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.