Home / 154,332.63-231,329.60-79,456.77

Finding the Fourth Proportional to 154,332.63, 231,329.60 and 79,456.77

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Solution

The fourth proportional to 154,332.63, 231,329.60 and 79,456.77 is: 119,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,332.63 : 231,329.60 = 79,456.77 : x
  2. Step 2: Convert to fraction form
    154,332.63/231,329.60 = 79,456.77/x
  3. Step 3: Cross multiply
    154,332.63x = 231,329.60 × 79,456.77
  4. Step 4: Simplify right side
    154,332.63x = 18,380,702,821.39
  5. Step 5: Solve for x
    x = 18,380,702,821.39/154,332.63
  6. Step 6: Final answer
    x = 119,097.97

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1.5x scale

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.