Home / 135,007.72-186,307.04-74,577.07

Finding the Fourth Proportional to 135,007.72, 186,307.04 and 74,577.07

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Solution

The fourth proportional to 135,007.72, 186,307.04 and 74,577.07 is: 102,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,007.72 : 186,307.04 = 74,577.07 : x
  2. Step 2: Convert to fraction form
    135,007.72/186,307.04 = 74,577.07/x
  3. Step 3: Cross multiply
    135,007.72x = 186,307.04 × 74,577.07
  4. Step 4: Simplify right side
    135,007.72x = 13,894,233,163.57
  5. Step 5: Solve for x
    x = 13,894,233,163.57/135,007.72
  6. Step 6: Final answer
    x = 102,914.36

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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.