Home / 308,171.12-462,164.76-130,675.28

Finding the Fourth Proportional to 308,171.12, 462,164.76 and 130,675.28

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Solution

The fourth proportional to 308,171.12, 462,164.76 and 130,675.28 is: 195,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,171.12 : 462,164.76 = 130,675.28 : x
  2. Step 2: Convert to fraction form
    308,171.12/462,164.76 = 130,675.28/x
  3. Step 3: Cross multiply
    308,171.12x = 462,164.76 × 130,675.28
  4. Step 4: Simplify right side
    308,171.12x = 60,393,509,419.13
  5. Step 5: Solve for x
    x = 60,393,509,419.13/308,171.12
  6. Step 6: Final answer
    x = 195,973.94

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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.