Home / 127,704.60-176,232.60-70,342.56

Finding the Fourth Proportional to 127,704.60, 176,232.60 and 70,342.56

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Solution

The fourth proportional to 127,704.60, 176,232.60 and 70,342.56 is: 97,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.60 : 176,232.60 = 70,342.56 : x
  2. Step 2: Convert to fraction form
    127,704.60/176,232.60 = 70,342.56/x
  3. Step 3: Cross multiply
    127,704.60x = 176,232.60 × 70,342.56
  4. Step 4: Simplify right side
    127,704.60x = 12,396,652,239.46
  5. Step 5: Solve for x
    x = 12,396,652,239.46/127,704.60
  6. Step 6: Final answer
    x = 97,072.87

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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.