Home / 170,742.87-256,142.08-64,135.13

Finding the Fourth Proportional to 170,742.87, 256,142.08 and 64,135.13

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Solution

The fourth proportional to 170,742.87, 256,142.08 and 64,135.13 is: 96,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.87 : 256,142.08 = 64,135.13 : x
  2. Step 2: Convert to fraction form
    170,742.87/256,142.08 = 64,135.13/x
  3. Step 3: Cross multiply
    170,742.87x = 256,142.08 × 64,135.13
  4. Step 4: Simplify right side
    170,742.87x = 16,427,704,398.73
  5. Step 5: Solve for x
    x = 16,427,704,398.73/170,742.87
  6. Step 6: Final answer
    x = 96,213.12

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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.