Home / 155,022.59-232,339.79-66,172.07

Finding the Fourth Proportional to 155,022.59, 232,339.79 and 66,172.07

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Solution

The fourth proportional to 155,022.59, 232,339.79 and 66,172.07 is: 99,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,022.59 : 232,339.79 = 66,172.07 : x
  2. Step 2: Convert to fraction form
    155,022.59/232,339.79 = 66,172.07/x
  3. Step 3: Cross multiply
    155,022.59x = 232,339.79 × 66,172.07
  4. Step 4: Simplify right side
    155,022.59x = 15,374,405,593.95
  5. Step 5: Solve for x
    x = 15,374,405,593.95/155,022.59
  6. Step 6: Final answer
    x = 99,175.26

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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.