Home / 137,991.56-190,445.95-84,265.27

Finding the Fourth Proportional to 137,991.56, 190,445.95 and 84,265.27

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Solution

The fourth proportional to 137,991.56, 190,445.95 and 84,265.27 is: 116,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,991.56 : 190,445.95 = 84,265.27 : x
  2. Step 2: Convert to fraction form
    137,991.56/190,445.95 = 84,265.27/x
  3. Step 3: Cross multiply
    137,991.56x = 190,445.95 × 84,265.27
  4. Step 4: Simplify right side
    137,991.56x = 16,047,979,026.37
  5. Step 5: Solve for x
    x = 16,047,979,026.37/137,991.56
  6. Step 6: Final answer
    x = 116,296.82

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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.