Home / 172,063.50-258,045.98-72,246.12

Finding the Fourth Proportional to 172,063.50, 258,045.98 and 72,246.12

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Solution

The fourth proportional to 172,063.50, 258,045.98 and 72,246.12 is: 108,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,063.50 : 258,045.98 = 72,246.12 : x
  2. Step 2: Convert to fraction form
    172,063.50/258,045.98 = 72,246.12/x
  3. Step 3: Cross multiply
    172,063.50x = 258,045.98 × 72,246.12
  4. Step 4: Simplify right side
    172,063.50x = 18,642,820,836.60
  5. Step 5: Solve for x
    x = 18,642,820,836.60/172,063.50
  6. Step 6: Final answer
    x = 108,348.49

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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.