Home / 170,459.72-255,690.86-75,664.42

Finding the Fourth Proportional to 170,459.72, 255,690.86 and 75,664.42

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Solution

The fourth proportional to 170,459.72, 255,690.86 and 75,664.42 is: 113,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,459.72 : 255,690.86 = 75,664.42 : x
  2. Step 2: Convert to fraction form
    170,459.72/255,690.86 = 75,664.42/x
  3. Step 3: Cross multiply
    170,459.72x = 255,690.86 × 75,664.42
  4. Step 4: Simplify right side
    170,459.72x = 19,346,700,748.39
  5. Step 5: Solve for x
    x = 19,346,700,748.39/170,459.72
  6. Step 6: Final answer
    x = 113,497.20

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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.