Home / 127,254.90-190,882.35-103,635.30

Finding the Fourth Proportional to 127,254.90, 190,882.35 and 103,635.30

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Solution

The fourth proportional to 127,254.90, 190,882.35 and 103,635.30 is: 155,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,254.90 : 190,882.35 = 103,635.30 : x
  2. Step 2: Convert to fraction form
    127,254.90/190,882.35 = 103,635.30/x
  3. Step 3: Cross multiply
    127,254.90x = 190,882.35 × 103,635.30
  4. Step 4: Simplify right side
    127,254.90x = 19,782,149,606.96
  5. Step 5: Solve for x
    x = 19,782,149,606.96/127,254.90
  6. Step 6: Final answer
    x = 155,452.95

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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.