Home / 171,579.42-257,381.19-53,235.18

Finding the Fourth Proportional to 171,579.42, 257,381.19 and 53,235.18

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Solution

The fourth proportional to 171,579.42, 257,381.19 and 53,235.18 is: 79,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,579.42 : 257,381.19 = 53,235.18 : x
  2. Step 2: Convert to fraction form
    171,579.42/257,381.19 = 53,235.18/x
  3. Step 3: Cross multiply
    171,579.42x = 257,381.19 × 53,235.18
  4. Step 4: Simplify right side
    171,579.42x = 13,701,733,978.26
  5. Step 5: Solve for x
    x = 13,701,733,978.26/171,579.42
  6. Step 6: Final answer
    x = 79,856.51

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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.