Home / 130,515.30-195,627.15-74,382.30

Finding the Fourth Proportional to 130,515.30, 195,627.15 and 74,382.30

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Solution

The fourth proportional to 130,515.30, 195,627.15 and 74,382.30 is: 111,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,515.30 : 195,627.15 = 74,382.30 : x
  2. Step 2: Convert to fraction form
    130,515.30/195,627.15 = 74,382.30/x
  3. Step 3: Cross multiply
    130,515.30x = 195,627.15 × 74,382.30
  4. Step 4: Simplify right side
    130,515.30x = 14,551,197,359.45
  5. Step 5: Solve for x
    x = 14,551,197,359.45/130,515.30
  6. Step 6: Final answer
    x = 111,490.36

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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.