Home / 252,127-347,942.46-138,957.04

Finding the Fourth Proportional to 252,127, 347,942.46 and 138,957.04

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Solution

The fourth proportional to 252,127, 347,942.46 and 138,957.04 is: 191,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,127 : 347,942.46 = 138,957.04 : x
  2. Step 2: Convert to fraction form
    252,127/347,942.46 = 138,957.04/x
  3. Step 3: Cross multiply
    252,127x = 347,942.46 × 138,957.04
  4. Step 4: Simplify right side
    252,127x = 48,349,054,331.92
  5. Step 5: Solve for x
    x = 48,349,054,331.92/252,127
  6. Step 6: Final answer
    x = 191,764.68

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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.