Home / 127,867.84-176,423.01-72,676.39

Finding the Fourth Proportional to 127,867.84, 176,423.01 and 72,676.39

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Solution

The fourth proportional to 127,867.84, 176,423.01 and 72,676.39 is: 100,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,867.84 : 176,423.01 = 72,676.39 : x
  2. Step 2: Convert to fraction form
    127,867.84/176,423.01 = 72,676.39/x
  3. Step 3: Cross multiply
    127,867.84x = 176,423.01 × 72,676.39
  4. Step 4: Simplify right side
    127,867.84x = 12,821,787,505.74
  5. Step 5: Solve for x
    x = 12,821,787,505.74/127,867.84
  6. Step 6: Final answer
    x = 100,273.75

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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.