Home / 135,488.26-186,968.82-75,061.54

Finding the Fourth Proportional to 135,488.26, 186,968.82 and 75,061.54

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Solution

The fourth proportional to 135,488.26, 186,968.82 and 75,061.54 is: 103,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,488.26 : 186,968.82 = 75,061.54 : x
  2. Step 2: Convert to fraction form
    135,488.26/186,968.82 = 75,061.54/x
  3. Step 3: Cross multiply
    135,488.26x = 186,968.82 × 75,061.54
  4. Step 4: Simplify right side
    135,488.26x = 14,034,167,561.18
  5. Step 5: Solve for x
    x = 14,034,167,561.18/135,488.26
  6. Step 6: Final answer
    x = 103,582.17

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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.