Home / 127,736.72-176,258.58-72,544.13

Finding the Fourth Proportional to 127,736.72, 176,258.58 and 72,544.13

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Solution

The fourth proportional to 127,736.72, 176,258.58 and 72,544.13 is: 100,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,736.72 : 176,258.58 = 72,544.13 : x
  2. Step 2: Convert to fraction form
    127,736.72/176,258.58 = 72,544.13/x
  3. Step 3: Cross multiply
    127,736.72x = 176,258.58 × 72,544.13
  4. Step 4: Simplify right side
    127,736.72x = 12,786,525,341.14
  5. Step 5: Solve for x
    x = 12,786,525,341.14/127,736.72
  6. Step 6: Final answer
    x = 100,100.62

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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.