Home / 130,541.12-195,899.18-83,826.80

Finding the Fourth Proportional to 130,541.12, 195,899.18 and 83,826.80

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Solution

The fourth proportional to 130,541.12, 195,899.18 and 83,826.80 is: 125,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,541.12 : 195,899.18 = 83,826.80 : x
  2. Step 2: Convert to fraction form
    130,541.12/195,899.18 = 83,826.80/x
  3. Step 3: Cross multiply
    130,541.12x = 195,899.18 × 83,826.80
  4. Step 4: Simplify right side
    130,541.12x = 16,421,601,382.02
  5. Step 5: Solve for x
    x = 16,421,601,382.02/130,541.12
  6. Step 6: Final answer
    x = 125,796.39

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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.