Home / 165,358.98-228,195.09-89,907.30

Finding the Fourth Proportional to 165,358.98, 228,195.09 and 89,907.30

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Solution

The fourth proportional to 165,358.98, 228,195.09 and 89,907.30 is: 124,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,358.98 : 228,195.09 = 89,907.30 : x
  2. Step 2: Convert to fraction form
    165,358.98/228,195.09 = 89,907.30/x
  3. Step 3: Cross multiply
    165,358.98x = 228,195.09 × 89,907.30
  4. Step 4: Simplify right side
    165,358.98x = 20,516,404,415.16
  5. Step 5: Solve for x
    x = 20,516,404,415.16/165,358.98
  6. Step 6: Final answer
    x = 124,071.91

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1.5x scale

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.