Home / 172,014.84-258,038.06-66,842.01

Finding the Fourth Proportional to 172,014.84, 258,038.06 and 66,842.01

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Solution

The fourth proportional to 172,014.84, 258,038.06 and 66,842.01 is: 100,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,014.84 : 258,038.06 = 66,842.01 : x
  2. Step 2: Convert to fraction form
    172,014.84/258,038.06 = 66,842.01/x
  3. Step 3: Cross multiply
    172,014.84x = 258,038.06 × 66,842.01
  4. Step 4: Simplify right side
    172,014.84x = 17,247,782,252.69
  5. Step 5: Solve for x
    x = 17,247,782,252.69/172,014.84
  6. Step 6: Final answer
    x = 100,269.15

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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.