Home / 253,053.91-349,234.10-139,887.19

Finding the Fourth Proportional to 253,053.91, 349,234.10 and 139,887.19

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Solution

The fourth proportional to 253,053.91, 349,234.10 and 139,887.19 is: 193,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,053.91 : 349,234.10 = 139,887.19 : x
  2. Step 2: Convert to fraction form
    253,053.91/349,234.10 = 139,887.19/x
  3. Step 3: Cross multiply
    253,053.91x = 349,234.10 × 139,887.19
  4. Step 4: Simplify right side
    253,053.91x = 48,853,376,201.74
  5. Step 5: Solve for x
    x = 48,853,376,201.74/253,053.91
  6. Step 6: Final answer
    x = 193,055.21

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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.