Home / 165,309.60-228,127.40-89,858.10

Finding the Fourth Proportional to 165,309.60, 228,127.40 and 89,858.10

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Solution

The fourth proportional to 165,309.60, 228,127.40 and 89,858.10 is: 124,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,309.60 : 228,127.40 = 89,858.10 : x
  2. Step 2: Convert to fraction form
    165,309.60/228,127.40 = 89,858.10/x
  3. Step 3: Cross multiply
    165,309.60x = 228,127.40 × 89,858.10
  4. Step 4: Simplify right side
    165,309.60x = 20,499,094,272.65
  5. Step 5: Solve for x
    x = 20,499,094,272.65/165,309.60
  6. Step 6: Final answer
    x = 124,004.26

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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.