Home / 120,875.94-181,373.31-54,363.06

Finding the Fourth Proportional to 120,875.94, 181,373.31 and 54,363.06

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Solution

The fourth proportional to 120,875.94, 181,373.31 and 54,363.06 is: 81,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,875.94 : 181,373.31 = 54,363.06 : x
  2. Step 2: Convert to fraction form
    120,875.94/181,373.31 = 54,363.06/x
  3. Step 3: Cross multiply
    120,875.94x = 181,373.31 × 54,363.06
  4. Step 4: Simplify right side
    120,875.94x = 9,860,008,133.93
  5. Step 5: Solve for x
    x = 9,860,008,133.93/120,875.94
  6. Step 6: Final answer
    x = 81,571.30

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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.