Home / 171,304.24-257,108.99-81,457.72

Finding the Fourth Proportional to 171,304.24, 257,108.99 and 81,457.72

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Solution

The fourth proportional to 171,304.24, 257,108.99 and 81,457.72 is: 122,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,304.24 : 257,108.99 = 81,457.72 : x
  2. Step 2: Convert to fraction form
    171,304.24/257,108.99 = 81,457.72/x
  3. Step 3: Cross multiply
    171,304.24x = 257,108.99 × 81,457.72
  4. Step 4: Simplify right side
    171,304.24x = 20,943,512,116.90
  5. Step 5: Solve for x
    x = 20,943,512,116.90/171,304.24
  6. Step 6: Final answer
    x = 122,259.16

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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.