Home / 127,248.20-190,872.30-97,814.60

Finding the Fourth Proportional to 127,248.20, 190,872.30 and 97,814.60

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Solution

The fourth proportional to 127,248.20, 190,872.30 and 97,814.60 is: 146,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,248.20 : 190,872.30 = 97,814.60 : x
  2. Step 2: Convert to fraction form
    127,248.20/190,872.30 = 97,814.60/x
  3. Step 3: Cross multiply
    127,248.20x = 190,872.30 × 97,814.60
  4. Step 4: Simplify right side
    127,248.20x = 18,670,097,675.58
  5. Step 5: Solve for x
    x = 18,670,097,675.58/127,248.20
  6. Step 6: Final answer
    x = 146,721.90

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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.