Home / 141,964.40-195,812.70-115,108.04

Finding the Fourth Proportional to 141,964.40, 195,812.70 and 115,108.04

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Solution

The fourth proportional to 141,964.40, 195,812.70 and 115,108.04 is: 158,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.40 : 195,812.70 = 115,108.04 : x
  2. Step 2: Convert to fraction form
    141,964.40/195,812.70 = 115,108.04/x
  3. Step 3: Cross multiply
    141,964.40x = 195,812.70 × 115,108.04
  4. Step 4: Simplify right side
    141,964.40x = 22,539,616,104.11
  5. Step 5: Solve for x
    x = 22,539,616,104.11/141,964.40
  6. Step 6: Final answer
    x = 158,769.50

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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.