Home / 130,668.30-195,955.40-45,256.02

Finding the Fourth Proportional to 130,668.30, 195,955.40 and 45,256.02

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Solution

The fourth proportional to 130,668.30, 195,955.40 and 45,256.02 is: 67,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.30 : 195,955.40 = 45,256.02 : x
  2. Step 2: Convert to fraction form
    130,668.30/195,955.40 = 45,256.02/x
  3. Step 3: Cross multiply
    130,668.30x = 195,955.40 × 45,256.02
  4. Step 4: Simplify right side
    130,668.30x = 8,868,161,275.23
  5. Step 5: Solve for x
    x = 8,868,161,275.23/130,668.30
  6. Step 6: Final answer
    x = 67,867.73

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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.