Home / 127,702.24-176,213.64-73,251.57

Finding the Fourth Proportional to 127,702.24, 176,213.64 and 73,251.57

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Solution

The fourth proportional to 127,702.24, 176,213.64 and 73,251.57 is: 101,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.24 : 176,213.64 = 73,251.57 : x
  2. Step 2: Convert to fraction form
    127,702.24/176,213.64 = 73,251.57/x
  3. Step 3: Cross multiply
    127,702.24x = 176,213.64 × 73,251.57
  4. Step 4: Simplify right side
    127,702.24x = 12,907,925,785.41
  5. Step 5: Solve for x
    x = 12,907,925,785.41/127,702.24
  6. Step 6: Final answer
    x = 101,078.30

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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.