Home / 130,680.40-195,502.20-113,342.80

Finding the Fourth Proportional to 130,680.40, 195,502.20 and 113,342.80

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Solution

The fourth proportional to 130,680.40, 195,502.20 and 113,342.80 is: 169,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680.40 : 195,502.20 = 113,342.80 : x
  2. Step 2: Convert to fraction form
    130,680.40/195,502.20 = 113,342.80/x
  3. Step 3: Cross multiply
    130,680.40x = 195,502.20 × 113,342.80
  4. Step 4: Simplify right side
    130,680.40x = 22,158,766,754.16
  5. Step 5: Solve for x
    x = 22,158,766,754.16/130,680.40
  6. Step 6: Final answer
    x = 169,564.58

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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.