Home / 172,575.39-258,880.79-66,048.95

Finding the Fourth Proportional to 172,575.39, 258,880.79 and 66,048.95

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Solution

The fourth proportional to 172,575.39, 258,880.79 and 66,048.95 is: 99,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575.39 : 258,880.79 = 66,048.95 : x
  2. Step 2: Convert to fraction form
    172,575.39/258,880.79 = 66,048.95/x
  3. Step 3: Cross multiply
    172,575.39x = 258,880.79 × 66,048.95
  4. Step 4: Simplify right side
    172,575.39x = 17,098,804,354.67
  5. Step 5: Solve for x
    x = 17,098,804,354.67/172,575.39
  6. Step 6: Final answer
    x = 99,080.20

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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.