Home / 75,236.31-112,853.34-18,310.41

Finding the Fourth Proportional to 75,236.31, 112,853.34 and 18,310.41

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Solution

The fourth proportional to 75,236.31, 112,853.34 and 18,310.41 is: 27,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,236.31 : 112,853.34 = 18,310.41 : x
  2. Step 2: Convert to fraction form
    75,236.31/112,853.34 = 18,310.41/x
  3. Step 3: Cross multiply
    75,236.31x = 112,853.34 × 18,310.41
  4. Step 4: Simplify right side
    75,236.31x = 2,066,390,925.27
  5. Step 5: Solve for x
    x = 2,066,390,925.27/75,236.31
  6. Step 6: Final answer
    x = 27,465.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.