Home / 172,836.56-238,379.24-112,426.51

Finding the Fourth Proportional to 172,836.56, 238,379.24 and 112,426.51

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Solution

The fourth proportional to 172,836.56, 238,379.24 and 112,426.51 is: 155,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,836.56 : 238,379.24 = 112,426.51 : x
  2. Step 2: Convert to fraction form
    172,836.56/238,379.24 = 112,426.51/x
  3. Step 3: Cross multiply
    172,836.56x = 238,379.24 × 112,426.51
  4. Step 4: Simplify right side
    172,836.56x = 26,800,144,817.76
  5. Step 5: Solve for x
    x = 26,800,144,817.76/172,836.56
  6. Step 6: Final answer
    x = 155,060.62

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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.