Home / 136,085.15-187,797.33-75,653.88

Finding the Fourth Proportional to 136,085.15, 187,797.33 and 75,653.88

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Solution

The fourth proportional to 136,085.15, 187,797.33 and 75,653.88 is: 104,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.15 : 187,797.33 = 75,653.88 : x
  2. Step 2: Convert to fraction form
    136,085.15/187,797.33 = 75,653.88/x
  3. Step 3: Cross multiply
    136,085.15x = 187,797.33 × 75,653.88
  4. Step 4: Simplify right side
    136,085.15x = 14,207,596,668.14
  5. Step 5: Solve for x
    x = 14,207,596,668.14/136,085.15
  6. Step 6: Final answer
    x = 104,402.26

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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.