Home / 130,696.40-195,526.20-113,358.80

Finding the Fourth Proportional to 130,696.40, 195,526.20 and 113,358.80

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Solution

The fourth proportional to 130,696.40, 195,526.20 and 113,358.80 is: 169,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,696.40 : 195,526.20 = 113,358.80 : x
  2. Step 2: Convert to fraction form
    130,696.40/195,526.20 = 113,358.80/x
  3. Step 3: Cross multiply
    130,696.40x = 195,526.20 × 113,358.80
  4. Step 4: Simplify right side
    130,696.40x = 22,164,615,400.56
  5. Step 5: Solve for x
    x = 22,164,615,400.56/130,696.40
  6. Step 6: Final answer
    x = 169,588.57

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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.