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Finding the Fourth Proportional to 118,093.15, 176,953.81 and 73,653.31

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Solution

The fourth proportional to 118,093.15, 176,953.81 and 73,653.31 is: 110,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,093.15 : 176,953.81 = 73,653.31 : x
  2. Step 2: Convert to fraction form
    118,093.15/176,953.81 = 73,653.31/x
  3. Step 3: Cross multiply
    118,093.15x = 176,953.81 × 73,653.31
  4. Step 4: Simplify right side
    118,093.15x = 13,033,233,823.61
  5. Step 5: Solve for x
    x = 13,033,233,823.61/118,093.15
  6. Step 6: Final answer
    x = 110,364.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.