Home / 130,270.92-195,429.78-46,079.88

Finding the Fourth Proportional to 130,270.92, 195,429.78 and 46,079.88

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Solution

The fourth proportional to 130,270.92, 195,429.78 and 46,079.88 is: 69,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,270.92 : 195,429.78 = 46,079.88 : x
  2. Step 2: Convert to fraction form
    130,270.92/195,429.78 = 46,079.88/x
  3. Step 3: Cross multiply
    130,270.92x = 195,429.78 × 46,079.88
  4. Step 4: Simplify right side
    130,270.92x = 9,005,380,810.83
  5. Step 5: Solve for x
    x = 9,005,380,810.83/130,270.92
  6. Step 6: Final answer
    x = 69,128.10

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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.