Home / 171,254.59-257,008.07-81,297.61

Finding the Fourth Proportional to 171,254.59, 257,008.07 and 81,297.61

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Solution

The fourth proportional to 171,254.59, 257,008.07 and 81,297.61 is: 122,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,254.59 : 257,008.07 = 81,297.61 : x
  2. Step 2: Convert to fraction form
    171,254.59/257,008.07 = 81,297.61/x
  3. Step 3: Cross multiply
    171,254.59x = 257,008.07 × 81,297.61
  4. Step 4: Simplify right side
    171,254.59x = 20,894,141,841.71
  5. Step 5: Solve for x
    x = 20,894,141,841.71/171,254.59
  6. Step 6: Final answer
    x = 122,006.32

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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.