Home / 165,374.64-228,215.84-89,923.20

Finding the Fourth Proportional to 165,374.64, 228,215.84 and 89,923.20

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Solution

The fourth proportional to 165,374.64, 228,215.84 and 89,923.20 is: 124,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,374.64 : 228,215.84 = 89,923.20 : x
  2. Step 2: Convert to fraction form
    165,374.64/228,215.84 = 89,923.20/x
  3. Step 3: Cross multiply
    165,374.64x = 228,215.84 × 89,923.20
  4. Step 4: Simplify right side
    165,374.64x = 20,521,898,623.49
  5. Step 5: Solve for x
    x = 20,521,898,623.49/165,374.64
  6. Step 6: Final answer
    x = 124,093.38

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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.