Home / 135,197.80-186,567.31-73,943.00

Finding the Fourth Proportional to 135,197.80, 186,567.31 and 73,943.00

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Solution

The fourth proportional to 135,197.80, 186,567.31 and 73,943.00 is: 102,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,197.80 : 186,567.31 = 73,943.00 : x
  2. Step 2: Convert to fraction form
    135,197.80/186,567.31 = 73,943.00/x
  3. Step 3: Cross multiply
    135,197.80x = 186,567.31 × 73,943.00
  4. Step 4: Simplify right side
    135,197.80x = 13,795,347,091.25
  5. Step 5: Solve for x
    x = 13,795,347,091.25/135,197.80
  6. Step 6: Final answer
    x = 102,038.25

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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.