Home / 127,845.99-176,244.08-100,574.67

Finding the Fourth Proportional to 127,845.99, 176,244.08 and 100,574.67

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Solution

The fourth proportional to 127,845.99, 176,244.08 and 100,574.67 is: 138,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,845.99 : 176,244.08 = 100,574.67 : x
  2. Step 2: Convert to fraction form
    127,845.99/176,244.08 = 100,574.67/x
  3. Step 3: Cross multiply
    127,845.99x = 176,244.08 × 100,574.67
  4. Step 4: Simplify right side
    127,845.99x = 17,725,690,185.45
  5. Step 5: Solve for x
    x = 17,725,690,185.45/127,845.99
  6. Step 6: Final answer
    x = 138,648.78

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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.