Home / 172,218.66-258,222.15-59,872.74

Finding the Fourth Proportional to 172,218.66, 258,222.15 and 59,872.74

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Solution

The fourth proportional to 172,218.66, 258,222.15 and 59,872.74 is: 89,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,218.66 : 258,222.15 = 59,872.74 : x
  2. Step 2: Convert to fraction form
    172,218.66/258,222.15 = 59,872.74/x
  3. Step 3: Cross multiply
    172,218.66x = 258,222.15 × 59,872.74
  4. Step 4: Simplify right side
    172,218.66x = 15,460,467,649.19
  5. Step 5: Solve for x
    x = 15,460,467,649.19/172,218.66
  6. Step 6: Final answer
    x = 89,772.31

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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.