Home / 165,259.48-228,051.90-89,805.40

Finding the Fourth Proportional to 165,259.48, 228,051.90 and 89,805.40

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Solution

The fourth proportional to 165,259.48, 228,051.90 and 89,805.40 is: 123,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,259.48 : 228,051.90 = 89,805.40 : x
  2. Step 2: Convert to fraction form
    165,259.48/228,051.90 = 89,805.40/x
  3. Step 3: Cross multiply
    165,259.48x = 228,051.90 × 89,805.40
  4. Step 4: Simplify right side
    165,259.48x = 20,480,292,100.26
  5. Step 5: Solve for x
    x = 20,480,292,100.26/165,259.48
  6. Step 6: Final answer
    x = 123,928.09

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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.