Home / 127,134.36-190,627.70-48,205.53

Finding the Fourth Proportional to 127,134.36, 190,627.70 and 48,205.53

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Solution

The fourth proportional to 127,134.36, 190,627.70 and 48,205.53 is: 72,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,134.36 : 190,627.70 = 48,205.53 : x
  2. Step 2: Convert to fraction form
    127,134.36/190,627.70 = 48,205.53/x
  3. Step 3: Cross multiply
    127,134.36x = 190,627.70 × 48,205.53
  4. Step 4: Simplify right side
    127,134.36x = 9,189,309,070.15
  5. Step 5: Solve for x
    x = 9,189,309,070.15/127,134.36
  6. Step 6: Final answer
    x = 72,280.30

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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.