Home / 104,708.89-156,858.67-83,693.17

Finding the Fourth Proportional to 104,708.89, 156,858.67 and 83,693.17

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Solution

The fourth proportional to 104,708.89, 156,858.67 and 83,693.17 is: 125,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708.89 : 156,858.67 = 83,693.17 : x
  2. Step 2: Convert to fraction form
    104,708.89/156,858.67 = 83,693.17/x
  3. Step 3: Cross multiply
    104,708.89x = 156,858.67 × 83,693.17
  4. Step 4: Simplify right side
    104,708.89x = 13,127,999,334.28
  5. Step 5: Solve for x
    x = 13,127,999,334.28/104,708.89
  6. Step 6: Final answer
    x = 125,376.17

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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.