Home / 104,838.86-157,127.07-82,564.26

Finding the Fourth Proportional to 104,838.86, 157,127.07 and 82,564.26

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Solution

The fourth proportional to 104,838.86, 157,127.07 and 82,564.26 is: 123,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.86 : 157,127.07 = 82,564.26 : x
  2. Step 2: Convert to fraction form
    104,838.86/157,127.07 = 82,564.26/x
  3. Step 3: Cross multiply
    104,838.86x = 157,127.07 × 82,564.26
  4. Step 4: Simplify right side
    104,838.86x = 12,973,080,168.11
  5. Step 5: Solve for x
    x = 12,973,080,168.11/104,838.86
  6. Step 6: Final answer
    x = 123,743.05

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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.