Home / 130,259.70-195,383.55-54,326.88

Finding the Fourth Proportional to 130,259.70, 195,383.55 and 54,326.88

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Solution

The fourth proportional to 130,259.70, 195,383.55 and 54,326.88 is: 81,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,259.70 : 195,383.55 = 54,326.88 : x
  2. Step 2: Convert to fraction form
    130,259.70/195,383.55 = 54,326.88/x
  3. Step 3: Cross multiply
    130,259.70x = 195,383.55 × 54,326.88
  4. Step 4: Simplify right side
    130,259.70x = 10,614,578,674.82
  5. Step 5: Solve for x
    x = 10,614,578,674.82/130,259.70
  6. Step 6: Final answer
    x = 81,487.82

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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.