Home / 165,523.40-228,420.84-90,071.96

Finding the Fourth Proportional to 165,523.40, 228,420.84 and 90,071.96

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Solution

The fourth proportional to 165,523.40, 228,420.84 and 90,071.96 is: 124,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,523.40 : 228,420.84 = 90,071.96 : x
  2. Step 2: Convert to fraction form
    165,523.40/228,420.84 = 90,071.96/x
  3. Step 3: Cross multiply
    165,523.40x = 228,420.84 × 90,071.96
  4. Step 4: Simplify right side
    165,523.40x = 20,574,312,763.65
  5. Step 5: Solve for x
    x = 20,574,312,763.65/165,523.40
  6. Step 6: Final answer
    x = 124,298.51

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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.