Home / 272,840.81-376,524.32-158,127.93

Finding the Fourth Proportional to 272,840.81, 376,524.32 and 158,127.93

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Solution

The fourth proportional to 272,840.81, 376,524.32 and 158,127.93 is: 218,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,840.81 : 376,524.32 = 158,127.93 : x
  2. Step 2: Convert to fraction form
    272,840.81/376,524.32 = 158,127.93/x
  3. Step 3: Cross multiply
    272,840.81x = 376,524.32 × 158,127.93
  4. Step 4: Simplify right side
    272,840.81x = 59,539,010,525.62
  5. Step 5: Solve for x
    x = 59,539,010,525.62/272,840.81
  6. Step 6: Final answer
    x = 218,218.86

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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.