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Finding the Fourth Proportional to 175,440.45, 242,089.65 and 129,524.52

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Solution

The fourth proportional to 175,440.45, 242,089.65 and 129,524.52 is: 178,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,440.45 : 242,089.65 = 129,524.52 : x
  2. Step 2: Convert to fraction form
    175,440.45/242,089.65 = 129,524.52/x
  3. Step 3: Cross multiply
    175,440.45x = 242,089.65 × 129,524.52
  4. Step 4: Simplify right side
    175,440.45x = 31,356,545,713.22
  5. Step 5: Solve for x
    x = 31,356,545,713.22/175,440.45
  6. Step 6: Final answer
    x = 178,730.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.