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Finding the Fourth Proportional to 114,663.22, 158,229.94 and 63,679.22

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Solution

The fourth proportional to 114,663.22, 158,229.94 and 63,679.22 is: 87,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,663.22 : 158,229.94 = 63,679.22 : x
  2. Step 2: Convert to fraction form
    114,663.22/158,229.94 = 63,679.22/x
  3. Step 3: Cross multiply
    114,663.22x = 158,229.94 × 63,679.22
  4. Step 4: Simplify right side
    114,663.22x = 10,075,959,159.85
  5. Step 5: Solve for x
    x = 10,075,959,159.85/114,663.22
  6. Step 6: Final answer
    x = 87,874.38

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1.5x scale

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.