Home / 127,059.54-175,351.05-72,619.72

Finding the Fourth Proportional to 127,059.54, 175,351.05 and 72,619.72

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Solution

The fourth proportional to 127,059.54, 175,351.05 and 72,619.72 is: 100,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,059.54 : 175,351.05 = 72,619.72 : x
  2. Step 2: Convert to fraction form
    127,059.54/175,351.05 = 72,619.72/x
  3. Step 3: Cross multiply
    127,059.54x = 175,351.05 × 72,619.72
  4. Step 4: Simplify right side
    127,059.54x = 12,733,944,904.92
  5. Step 5: Solve for x
    x = 12,733,944,904.92/127,059.54
  6. Step 6: Final answer
    x = 100,220.30

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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.