Home / 175,618.84-242,357.70-103,972.72

Finding the Fourth Proportional to 175,618.84, 242,357.70 and 103,972.72

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Solution

The fourth proportional to 175,618.84, 242,357.70 and 103,972.72 is: 143,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,618.84 : 242,357.70 = 103,972.72 : x
  2. Step 2: Convert to fraction form
    175,618.84/242,357.70 = 103,972.72/x
  3. Step 3: Cross multiply
    175,618.84x = 242,357.70 × 103,972.72
  4. Step 4: Simplify right side
    175,618.84x = 25,198,589,281.94
  5. Step 5: Solve for x
    x = 25,198,589,281.94/175,618.84
  6. Step 6: Final answer
    x = 143,484.54

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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.