Home / 152,086.86-209,881.26-84,100.32

Finding the Fourth Proportional to 152,086.86, 209,881.26 and 84,100.32

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Solution

The fourth proportional to 152,086.86, 209,881.26 and 84,100.32 is: 116,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,086.86 : 209,881.26 = 84,100.32 : x
  2. Step 2: Convert to fraction form
    152,086.86/209,881.26 = 84,100.32/x
  3. Step 3: Cross multiply
    152,086.86x = 209,881.26 × 84,100.32
  4. Step 4: Simplify right side
    152,086.86x = 17,651,081,128.00
  5. Step 5: Solve for x
    x = 17,651,081,128.00/152,086.86
  6. Step 6: Final answer
    x = 116,059.21

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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.