Home / 127,248.12-190,576.80-122,819.58

Finding the Fourth Proportional to 127,248.12, 190,576.80 and 122,819.58

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Solution

The fourth proportional to 127,248.12, 190,576.80 and 122,819.58 is: 183,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,248.12 : 190,576.80 = 122,819.58 : x
  2. Step 2: Convert to fraction form
    127,248.12/190,576.80 = 122,819.58/x
  3. Step 3: Cross multiply
    127,248.12x = 190,576.80 × 122,819.58
  4. Step 4: Simplify right side
    127,248.12x = 23,406,562,533.74
  5. Step 5: Solve for x
    x = 23,406,562,533.74/127,248.12
  6. Step 6: Final answer
    x = 183,944.27

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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.