Home / 131,566.44-181,558.98-71,950.44

Finding the Fourth Proportional to 131,566.44, 181,558.98 and 71,950.44

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Solution

The fourth proportional to 131,566.44, 181,558.98 and 71,950.44 is: 99,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,566.44 : 181,558.98 = 71,950.44 : x
  2. Step 2: Convert to fraction form
    131,566.44/181,558.98 = 71,950.44/x
  3. Step 3: Cross multiply
    131,566.44x = 181,558.98 × 71,950.44
  4. Step 4: Simplify right side
    131,566.44x = 13,063,248,496.95
  5. Step 5: Solve for x
    x = 13,063,248,496.95/131,566.44
  6. Step 6: Final answer
    x = 99,290.13

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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.