Home / 130,127.31-195,209.19-40,177.35

Finding the Fourth Proportional to 130,127.31, 195,209.19 and 40,177.35

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Solution

The fourth proportional to 130,127.31, 195,209.19 and 40,177.35 is: 60,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,127.31 : 195,209.19 = 40,177.35 : x
  2. Step 2: Convert to fraction form
    130,127.31/195,209.19 = 40,177.35/x
  3. Step 3: Cross multiply
    130,127.31x = 195,209.19 × 40,177.35
  4. Step 4: Simplify right side
    130,127.31x = 7,842,987,949.85
  5. Step 5: Solve for x
    x = 7,842,987,949.85/130,127.31
  6. Step 6: Final answer
    x = 60,271.65

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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.