Home / 131,619.02-181,634.04-74,258.25

Finding the Fourth Proportional to 131,619.02, 181,634.04 and 74,258.25

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Solution

The fourth proportional to 131,619.02, 181,634.04 and 74,258.25 is: 102,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,619.02 : 181,634.04 = 74,258.25 : x
  2. Step 2: Convert to fraction form
    131,619.02/181,634.04 = 74,258.25/x
  3. Step 3: Cross multiply
    131,619.02x = 181,634.04 × 74,258.25
  4. Step 4: Simplify right side
    131,619.02x = 13,487,825,950.83
  5. Step 5: Solve for x
    x = 13,487,825,950.83/131,619.02
  6. Step 6: Final answer
    x = 102,476.27

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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.