Home / 127,107.76-175,408.72-70,519.54

Finding the Fourth Proportional to 127,107.76, 175,408.72 and 70,519.54

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Solution

The fourth proportional to 127,107.76, 175,408.72 and 70,519.54 is: 97,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.76 : 175,408.72 = 70,519.54 : x
  2. Step 2: Convert to fraction form
    127,107.76/175,408.72 = 70,519.54/x
  3. Step 3: Cross multiply
    127,107.76x = 175,408.72 × 70,519.54
  4. Step 4: Simplify right side
    127,107.76x = 12,369,742,246.39
  5. Step 5: Solve for x
    x = 12,369,742,246.39/127,107.76
  6. Step 6: Final answer
    x = 97,316.97

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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.