Home / 130,458.30-195,769.80-55,578.48

Finding the Fourth Proportional to 130,458.30, 195,769.80 and 55,578.48

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Solution

The fourth proportional to 130,458.30, 195,769.80 and 55,578.48 is: 83,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,458.30 : 195,769.80 = 55,578.48 : x
  2. Step 2: Convert to fraction form
    130,458.30/195,769.80 = 55,578.48/x
  3. Step 3: Cross multiply
    130,458.30x = 195,769.80 × 55,578.48
  4. Step 4: Simplify right side
    130,458.30x = 10,880,587,913.90
  5. Step 5: Solve for x
    x = 10,880,587,913.90/130,458.30
  6. Step 6: Final answer
    x = 83,402.80

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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.