Home / 130,340.49-195,504.24-76,335.52

Finding the Fourth Proportional to 130,340.49, 195,504.24 and 76,335.52

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Solution

The fourth proportional to 130,340.49, 195,504.24 and 76,335.52 is: 114,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340.49 : 195,504.24 = 76,335.52 : x
  2. Step 2: Convert to fraction form
    130,340.49/195,504.24 = 76,335.52/x
  3. Step 3: Cross multiply
    130,340.49x = 195,504.24 × 76,335.52
  4. Step 4: Simplify right side
    130,340.49x = 14,923,917,822.60
  5. Step 5: Solve for x
    x = 14,923,917,822.60/130,340.49
  6. Step 6: Final answer
    x = 114,499.48

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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.