Home / 127,028.54-175,299.38-70,439.91

Finding the Fourth Proportional to 127,028.54, 175,299.38 and 70,439.91

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Solution

The fourth proportional to 127,028.54, 175,299.38 and 70,439.91 is: 97,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028.54 : 175,299.38 = 70,439.91 : x
  2. Step 2: Convert to fraction form
    127,028.54/175,299.38 = 70,439.91/x
  3. Step 3: Cross multiply
    127,028.54x = 175,299.38 × 70,439.91
  4. Step 4: Simplify right side
    127,028.54x = 12,348,072,550.26
  5. Step 5: Solve for x
    x = 12,348,072,550.26/127,028.54
  6. Step 6: Final answer
    x = 97,207.07

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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.