Home / 165,827.85-228,842.65-90,376.35

Finding the Fourth Proportional to 165,827.85, 228,842.65 and 90,376.35

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Solution

The fourth proportional to 165,827.85, 228,842.65 and 90,376.35 is: 124,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.85 : 228,842.65 = 90,376.35 : x
  2. Step 2: Convert to fraction form
    165,827.85/228,842.65 = 90,376.35/x
  3. Step 3: Cross multiply
    165,827.85x = 228,842.65 × 90,376.35
  4. Step 4: Simplify right side
    165,827.85x = 20,681,963,431.33
  5. Step 5: Solve for x
    x = 20,681,963,431.33/165,827.85
  6. Step 6: Final answer
    x = 124,719.48

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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.