Home / 127,028.52-175,301.76-69,664.20

Finding the Fourth Proportional to 127,028.52, 175,301.76 and 69,664.20

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Solution

The fourth proportional to 127,028.52, 175,301.76 and 69,664.20 is: 96,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028.52 : 175,301.76 = 69,664.20 : x
  2. Step 2: Convert to fraction form
    127,028.52/175,301.76 = 69,664.20/x
  3. Step 3: Cross multiply
    127,028.52x = 175,301.76 × 69,664.20
  4. Step 4: Simplify right side
    127,028.52x = 12,212,256,868.99
  5. Step 5: Solve for x
    x = 12,212,256,868.99/127,028.52
  6. Step 6: Final answer
    x = 96,137.91

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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.