Home / 124,991.12-187,268.02-104,065.64

Finding the Fourth Proportional to 124,991.12, 187,268.02 and 104,065.64

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Solution

The fourth proportional to 124,991.12, 187,268.02 and 104,065.64 is: 155,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,991.12 : 187,268.02 = 104,065.64 : x
  2. Step 2: Convert to fraction form
    124,991.12/187,268.02 = 104,065.64/x
  3. Step 3: Cross multiply
    124,991.12x = 187,268.02 × 104,065.64
  4. Step 4: Simplify right side
    124,991.12x = 19,488,166,352.83
  5. Step 5: Solve for x
    x = 19,488,166,352.83/124,991.12
  6. Step 6: Final answer
    x = 155,916.41

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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.