Home / 114,668.12-158,236.65-63,684.15

Finding the Fourth Proportional to 114,668.12, 158,236.65 and 63,684.15

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Solution

The fourth proportional to 114,668.12, 158,236.65 and 63,684.15 is: 87,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,668.12 : 158,236.65 = 63,684.15 : x
  2. Step 2: Convert to fraction form
    114,668.12/158,236.65 = 63,684.15/x
  3. Step 3: Cross multiply
    114,668.12x = 158,236.65 × 63,684.15
  4. Step 4: Simplify right side
    114,668.12x = 10,077,166,554.10
  5. Step 5: Solve for x
    x = 10,077,166,554.10/114,668.12
  6. Step 6: Final answer
    x = 87,881.16

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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.