Home / 84,115.32-126,153.54-24,936.72

Finding the Fourth Proportional to 84,115.32, 126,153.54 and 24,936.72

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Solution

The fourth proportional to 84,115.32, 126,153.54 and 24,936.72 is: 37,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.32 : 126,153.54 = 24,936.72 : x
  2. Step 2: Convert to fraction form
    84,115.32/126,153.54 = 24,936.72/x
  3. Step 3: Cross multiply
    84,115.32x = 126,153.54 × 24,936.72
  4. Step 4: Simplify right side
    84,115.32x = 3,145,855,503.99
  5. Step 5: Solve for x
    x = 3,145,855,503.99/84,115.32
  6. Step 6: Final answer
    x = 37,399.32

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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.