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Finding the Fourth Proportional to 114,688.94, 172,033.40 and 35,809.92

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Solution

The fourth proportional to 114,688.94, 172,033.40 and 35,809.92 is: 53,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,688.94 : 172,033.40 = 35,809.92 : x
  2. Step 2: Convert to fraction form
    114,688.94/172,033.40 = 35,809.92/x
  3. Step 3: Cross multiply
    114,688.94x = 172,033.40 × 35,809.92
  4. Step 4: Simplify right side
    114,688.94x = 6,160,502,380.85
  5. Step 5: Solve for x
    x = 6,160,502,380.85/114,688.94
  6. Step 6: Final answer
    x = 53,714.88

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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.