Home / 130,825.40-195,719.70-113,487.80

Finding the Fourth Proportional to 130,825.40, 195,719.70 and 113,487.80

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Solution

The fourth proportional to 130,825.40, 195,719.70 and 113,487.80 is: 169,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825.40 : 195,719.70 = 113,487.80 : x
  2. Step 2: Convert to fraction form
    130,825.40/195,719.70 = 113,487.80/x
  3. Step 3: Cross multiply
    130,825.40x = 195,719.70 × 113,487.80
  4. Step 4: Simplify right side
    130,825.40x = 22,211,798,169.66
  5. Step 5: Solve for x
    x = 22,211,798,169.66/130,825.40
  6. Step 6: Final answer
    x = 169,782.00

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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.