Home / 170,867.88-256,123.50-58,515

Finding the Fourth Proportional to 170,867.88, 256,123.50 and 58,515

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Solution

The fourth proportional to 170,867.88, 256,123.50 and 58,515 is: 87,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,867.88 : 256,123.50 = 58,515 : x
  2. Step 2: Convert to fraction form
    170,867.88/256,123.50 = 58,515/x
  3. Step 3: Cross multiply
    170,867.88x = 256,123.50 × 58,515
  4. Step 4: Simplify right side
    170,867.88x = 14,987,066,602.50
  5. Step 5: Solve for x
    x = 14,987,066,602.50/170,867.88
  6. Step 6: Final answer
    x = 87,711.43

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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.