Home / 114,120.91-157,468.48-71,736.85

Finding the Fourth Proportional to 114,120.91, 157,468.48 and 71,736.85

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Solution

The fourth proportional to 114,120.91, 157,468.48 and 71,736.85 is: 98,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.91 : 157,468.48 = 71,736.85 : x
  2. Step 2: Convert to fraction form
    114,120.91/157,468.48 = 71,736.85/x
  3. Step 3: Cross multiply
    114,120.91x = 157,468.48 × 71,736.85
  4. Step 4: Simplify right side
    114,120.91x = 11,296,292,729.49
  5. Step 5: Solve for x
    x = 11,296,292,729.49/114,120.91
  6. Step 6: Final answer
    x = 98,985.30

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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.