Home / 130,668.61-195,955.85-45,256.33

Finding the Fourth Proportional to 130,668.61, 195,955.85 and 45,256.33

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Solution

The fourth proportional to 130,668.61, 195,955.85 and 45,256.33 is: 67,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.61 : 195,955.85 = 45,256.33 : x
  2. Step 2: Convert to fraction form
    130,668.61/195,955.85 = 45,256.33/x
  3. Step 3: Cross multiply
    130,668.61x = 195,955.85 × 45,256.33
  4. Step 4: Simplify right side
    130,668.61x = 8,868,242,613.03
  5. Step 5: Solve for x
    x = 8,868,242,613.03/130,668.61
  6. Step 6: Final answer
    x = 67,868.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.