Home / 165,832.32-228,885.51-105,391.20

Finding the Fourth Proportional to 165,832.32, 228,885.51 and 105,391.20

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Solution

The fourth proportional to 165,832.32, 228,885.51 and 105,391.20 is: 145,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,832.32 : 228,885.51 = 105,391.20 : x
  2. Step 2: Convert to fraction form
    165,832.32/228,885.51 = 105,391.20/x
  3. Step 3: Cross multiply
    165,832.32x = 228,885.51 × 105,391.20
  4. Step 4: Simplify right side
    165,832.32x = 24,122,518,561.51
  5. Step 5: Solve for x
    x = 24,122,518,561.51/165,832.32
  6. Step 6: Final answer
    x = 145,463.31

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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.