Home / 127,225.30-190,712.40-71,092.30

Finding the Fourth Proportional to 127,225.30, 190,712.40 and 71,092.30

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Solution

The fourth proportional to 127,225.30, 190,712.40 and 71,092.30 is: 106,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,225.30 : 190,712.40 = 71,092.30 : x
  2. Step 2: Convert to fraction form
    127,225.30/190,712.40 = 71,092.30/x
  3. Step 3: Cross multiply
    127,225.30x = 190,712.40 × 71,092.30
  4. Step 4: Simplify right side
    127,225.30x = 13,558,183,154.52
  5. Step 5: Solve for x
    x = 13,558,183,154.52/127,225.30
  6. Step 6: Final answer
    x = 106,568.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.