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Finding the Fourth Proportional to 172,759.49, 238,416.21 and 101,162.57

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Solution

The fourth proportional to 172,759.49, 238,416.21 and 101,162.57 is: 139,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,759.49 : 238,416.21 = 101,162.57 : x
  2. Step 2: Convert to fraction form
    172,759.49/238,416.21 = 101,162.57/x
  3. Step 3: Cross multiply
    172,759.49x = 238,416.21 × 101,162.57
  4. Step 4: Simplify right side
    172,759.49x = 24,118,796,533.26
  5. Step 5: Solve for x
    x = 24,118,796,533.26/172,759.49
  6. Step 6: Final answer
    x = 139,609.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.