Home / 130,275.92-195,441.96-40,318.40

Finding the Fourth Proportional to 130,275.92, 195,441.96 and 40,318.40

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Solution

The fourth proportional to 130,275.92, 195,441.96 and 40,318.40 is: 60,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,275.92 : 195,441.96 = 40,318.40 : x
  2. Step 2: Convert to fraction form
    130,275.92/195,441.96 = 40,318.40/x
  3. Step 3: Cross multiply
    130,275.92x = 195,441.96 × 40,318.40
  4. Step 4: Simplify right side
    130,275.92x = 7,879,907,120.06
  5. Step 5: Solve for x
    x = 7,879,907,120.06/130,275.92
  6. Step 6: Final answer
    x = 60,486.29

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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.