Home / 127,130.74-175,440.44-70,542.12

Finding the Fourth Proportional to 127,130.74, 175,440.44 and 70,542.12

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Solution

The fourth proportional to 127,130.74, 175,440.44 and 70,542.12 is: 97,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.74 : 175,440.44 = 70,542.12 : x
  2. Step 2: Convert to fraction form
    127,130.74/175,440.44 = 70,542.12/x
  3. Step 3: Cross multiply
    127,130.74x = 175,440.44 × 70,542.12
  4. Step 4: Simplify right side
    127,130.74x = 12,375,940,571.33
  5. Step 5: Solve for x
    x = 12,375,940,571.33/127,130.74
  6. Step 6: Final answer
    x = 97,348.14

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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.