Home / 92,405.07-127,550.79-54,176.94

Finding the Fourth Proportional to 92,405.07, 127,550.79 and 54,176.94

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Solution

The fourth proportional to 92,405.07, 127,550.79 and 54,176.94 is: 74,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,405.07 : 127,550.79 = 54,176.94 : x
  2. Step 2: Convert to fraction form
    92,405.07/127,550.79 = 54,176.94/x
  3. Step 3: Cross multiply
    92,405.07x = 127,550.79 × 54,176.94
  4. Step 4: Simplify right side
    92,405.07x = 6,910,311,496.78
  5. Step 5: Solve for x
    x = 6,910,311,496.78/92,405.07
  6. Step 6: Final answer
    x = 74,782.82

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1.5x scale

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.