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Finding the Fourth Proportional to 114,263.29, 157,847.61 and 91,262.89

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Solution

The fourth proportional to 114,263.29, 157,847.61 and 91,262.89 is: 126,073.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,263.29 : 157,847.61 = 91,262.89 : x
  2. Step 2: Convert to fraction form
    114,263.29/157,847.61 = 91,262.89/x
  3. Step 3: Cross multiply
    114,263.29x = 157,847.61 × 91,262.89
  4. Step 4: Simplify right side
    114,263.29x = 14,405,629,068.19
  5. Step 5: Solve for x
    x = 14,405,629,068.19/114,263.29
  6. Step 6: Final answer
    x = 126,073.99

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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.