Home / 131,216.84-181,060.98-74,621.96

Finding the Fourth Proportional to 131,216.84, 181,060.98 and 74,621.96

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Solution

The fourth proportional to 131,216.84, 181,060.98 and 74,621.96 is: 102,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,216.84 : 181,060.98 = 74,621.96 : x
  2. Step 2: Convert to fraction form
    131,216.84/181,060.98 = 74,621.96/x
  3. Step 3: Cross multiply
    131,216.84x = 181,060.98 × 74,621.96
  4. Step 4: Simplify right side
    131,216.84x = 13,511,125,207.12
  5. Step 5: Solve for x
    x = 13,511,125,207.12/131,216.84
  6. Step 6: Final answer
    x = 102,967.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.