Home / 165,379.86-228,225.60-89,928.36

Finding the Fourth Proportional to 165,379.86, 228,225.60 and 89,928.36

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Solution

The fourth proportional to 165,379.86, 228,225.60 and 89,928.36 is: 124,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,379.86 : 228,225.60 = 89,928.36 : x
  2. Step 2: Convert to fraction form
    165,379.86/228,225.60 = 89,928.36/x
  3. Step 3: Cross multiply
    165,379.86x = 228,225.60 × 89,928.36
  4. Step 4: Simplify right side
    165,379.86x = 20,523,953,918.02
  5. Step 5: Solve for x
    x = 20,523,953,918.02/165,379.86
  6. Step 6: Final answer
    x = 124,101.89

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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.