Home / 136,290.84-188,081.36-75,860.18

Finding the Fourth Proportional to 136,290.84, 188,081.36 and 75,860.18

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Solution

The fourth proportional to 136,290.84, 188,081.36 and 75,860.18 is: 104,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,290.84 : 188,081.36 = 75,860.18 : x
  2. Step 2: Convert to fraction form
    136,290.84/188,081.36 = 75,860.18/x
  3. Step 3: Cross multiply
    136,290.84x = 188,081.36 × 75,860.18
  4. Step 4: Simplify right side
    136,290.84x = 14,267,886,294.45
  5. Step 5: Solve for x
    x = 14,267,886,294.45/136,290.84
  6. Step 6: Final answer
    x = 104,687.06

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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.