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Finding the Fourth Proportional to 114,309.32, 158,697.10 and 110,887.88

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Solution

The fourth proportional to 114,309.32, 158,697.10 and 110,887.88 is: 153,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,309.32 : 158,697.10 = 110,887.88 : x
  2. Step 2: Convert to fraction form
    114,309.32/158,697.10 = 110,887.88/x
  3. Step 3: Cross multiply
    114,309.32x = 158,697.10 × 110,887.88
  4. Step 4: Simplify right side
    114,309.32x = 17,597,584,981.15
  5. Step 5: Solve for x
    x = 17,597,584,981.15/114,309.32
  6. Step 6: Final answer
    x = 153,947.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.