Home / 175,288.05-262,842-80,436.57

Finding the Fourth Proportional to 175,288.05, 262,842 and 80,436.57

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Solution

The fourth proportional to 175,288.05, 262,842 and 80,436.57 is: 120,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,288.05 : 262,842 = 80,436.57 : x
  2. Step 2: Convert to fraction form
    175,288.05/262,842 = 80,436.57/x
  3. Step 3: Cross multiply
    175,288.05x = 262,842 × 80,436.57
  4. Step 4: Simplify right side
    175,288.05x = 21,142,108,931.94
  5. Step 5: Solve for x
    x = 21,142,108,931.94/175,288.05
  6. Step 6: Final answer
    x = 120,613.52

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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.