Home / 157,415.23-236,192.63-82,517.50

Finding the Fourth Proportional to 157,415.23, 236,192.63 and 82,517.50

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Solution

The fourth proportional to 157,415.23, 236,192.63 and 82,517.50 is: 123,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.23 : 236,192.63 = 82,517.50 : x
  2. Step 2: Convert to fraction form
    157,415.23/236,192.63 = 82,517.50/x
  3. Step 3: Cross multiply
    157,415.23x = 236,192.63 × 82,517.50
  4. Step 4: Simplify right side
    157,415.23x = 19,490,025,346.03
  5. Step 5: Solve for x
    x = 19,490,025,346.03/157,415.23
  6. Step 6: Final answer
    x = 123,812.83

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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.