Home / 251,981.07-347,733.87-138,803.82

Finding the Fourth Proportional to 251,981.07, 347,733.87 and 138,803.82

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Solution

The fourth proportional to 251,981.07, 347,733.87 and 138,803.82 is: 191,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,981.07 : 347,733.87 = 138,803.82 : x
  2. Step 2: Convert to fraction form
    251,981.07/347,733.87 = 138,803.82/x
  3. Step 3: Cross multiply
    251,981.07x = 347,733.87 × 138,803.82
  4. Step 4: Simplify right side
    251,981.07x = 48,266,789,499.38
  5. Step 5: Solve for x
    x = 48,266,789,499.38/251,981.07
  6. Step 6: Final answer
    x = 191,549.27

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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.