Home / 130,216.40-195,324.60-76,853.60

Finding the Fourth Proportional to 130,216.40, 195,324.60 and 76,853.60

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Solution

The fourth proportional to 130,216.40, 195,324.60 and 76,853.60 is: 115,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216.40 : 195,324.60 = 76,853.60 : x
  2. Step 2: Convert to fraction form
    130,216.40/195,324.60 = 76,853.60/x
  3. Step 3: Cross multiply
    130,216.40x = 195,324.60 × 76,853.60
  4. Step 4: Simplify right side
    130,216.40x = 15,011,398,678.56
  5. Step 5: Solve for x
    x = 15,011,398,678.56/130,216.40
  6. Step 6: Final answer
    x = 115,280.40

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1.5x scale

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.