Home / 165,444.40-228,312-89,992.96

Finding the Fourth Proportional to 165,444.40, 228,312 and 89,992.96

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Solution

The fourth proportional to 165,444.40, 228,312 and 89,992.96 is: 124,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,444.40 : 228,312 = 89,992.96 : x
  2. Step 2: Convert to fraction form
    165,444.40/228,312 = 89,992.96/x
  3. Step 3: Cross multiply
    165,444.40x = 228,312 × 89,992.96
  4. Step 4: Simplify right side
    165,444.40x = 20,546,472,683.52
  5. Step 5: Solve for x
    x = 20,546,472,683.52/165,444.40
  6. Step 6: Final answer
    x = 124,189.59

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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.