Home / 172,045.39-258,070.68-59,729.17

Finding the Fourth Proportional to 172,045.39, 258,070.68 and 59,729.17

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Solution

The fourth proportional to 172,045.39, 258,070.68 and 59,729.17 is: 89,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045.39 : 258,070.68 = 59,729.17 : x
  2. Step 2: Convert to fraction form
    172,045.39/258,070.68 = 59,729.17/x
  3. Step 3: Cross multiply
    172,045.39x = 258,070.68 × 59,729.17
  4. Step 4: Simplify right side
    172,045.39x = 15,414,347,219.09
  5. Step 5: Solve for x
    x = 15,414,347,219.09/172,045.39
  6. Step 6: Final answer
    x = 89,594.65

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1.5x scale

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.