Home / 138,254.60-190,693.01-92,291.09

Finding the Fourth Proportional to 138,254.60, 190,693.01 and 92,291.09

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Solution

The fourth proportional to 138,254.60, 190,693.01 and 92,291.09 is: 127,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,254.60 : 190,693.01 = 92,291.09 : x
  2. Step 2: Convert to fraction form
    138,254.60/190,693.01 = 92,291.09/x
  3. Step 3: Cross multiply
    138,254.60x = 190,693.01 × 92,291.09
  4. Step 4: Simplify right side
    138,254.60x = 17,599,264,333.36
  5. Step 5: Solve for x
    x = 17,599,264,333.36/138,254.60
  6. Step 6: Final answer
    x = 127,296.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.