Home / 127,664.88-176,150.78-73,946.70

Finding the Fourth Proportional to 127,664.88, 176,150.78 and 73,946.70

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Solution

The fourth proportional to 127,664.88, 176,150.78 and 73,946.70 is: 102,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.88 : 176,150.78 = 73,946.70 : x
  2. Step 2: Convert to fraction form
    127,664.88/176,150.78 = 73,946.70/x
  3. Step 3: Cross multiply
    127,664.88x = 176,150.78 × 73,946.70
  4. Step 4: Simplify right side
    127,664.88x = 13,025,768,883.43
  5. Step 5: Solve for x
    x = 13,025,768,883.43/127,664.88
  6. Step 6: Final answer
    x = 102,030.95

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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.