Home / 127,137.20-175,473.54-84,117.56

Finding the Fourth Proportional to 127,137.20, 175,473.54 and 84,117.56

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Solution

The fourth proportional to 127,137.20, 175,473.54 and 84,117.56 is: 116,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,137.20 : 175,473.54 = 84,117.56 : x
  2. Step 2: Convert to fraction form
    127,137.20/175,473.54 = 84,117.56/x
  3. Step 3: Cross multiply
    127,137.20x = 175,473.54 × 84,117.56
  4. Step 4: Simplify right side
    127,137.20x = 14,760,405,151.99
  5. Step 5: Solve for x
    x = 14,760,405,151.99/127,137.20
  6. Step 6: Final answer
    x = 116,098.24

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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.